- Bloom’s cognitive domain (educational psychology)
Bloom’s taxonomy: Bloom’s cognitive domains: Bloom’s cognitive taxonomy originally was represented by six different domain levels: (1) knowledge, (2) comprehension, (3) application, (4) analysis, (5) synthesis, and (6) evaluation. All of the Bloom domains focused on the knowledge and cognitive processes. The American educational psychologist David Krathwohl…
- Bloom’s taxonomy (education)
Bloom’s taxonomy, taxonomy of educational objectives, developed in the 1950s by the American educational psychologist Benjamin Bloom, which fostered a common vocabulary for thinking about learning goals. Bloom’s taxonomy engendered a way to align educational goals, curricula, and assessments that
- Bloom, Allan (American philosopher and author)
Allan Bloom was an American philosopher and writer best remembered for his provocative best-seller The Closing of the American Mind: How Higher Education Has Failed Democracy and Impoverished the Souls of Today’s Students (1987). He was also known for his scholarly volumes of interpretive essays
- Bloom, Allan David (American philosopher and author)
Allan Bloom was an American philosopher and writer best remembered for his provocative best-seller The Closing of the American Mind: How Higher Education Has Failed Democracy and Impoverished the Souls of Today’s Students (1987). He was also known for his scholarly volumes of interpretive essays
- Bloom, Benjamin (American educational psychologist)
Bloom’s taxonomy: …by the American educational psychologist Benjamin Bloom, which fostered a common vocabulary for thinking about learning goals. Bloom’s taxonomy engendered a way to align educational goals, curricula, and assessments that are used in schools, and it structured the breadth and depth of the instructional activities and curriculum that teachers provide…
- Bloom, Claire (British actress)
Claire Bloom is an English dramatic actress noted for her moving portrayals of Shakespearean heroines. She appeared on stage, in television, and in motion pictures. Bloom studied at the Guildhall School of Music and Drama in London. At age 14 she tried out for the part of Juliet with the
- Bloom, Harold (American literary critic and author)
Harold Bloom was an American literary critic known for his innovative interpretations of literary history and of the creation of literature. Bloom’s first language was Yiddish, and he also learned Hebrew before English. He attended Cornell (B.A., 1951) and Yale (Ph.D., 1955) universities and began
- Bloom, Leopold (fictional character)
Leopold Bloom, fictional character in James Joyce’s novel Ulysses (1922). Bloom is the Odysseus figure (from Homer’s Odyssey) whose wanderings through Dublin during one 24-hour period on June 16, 1904, form the central action of the novel. His name has lent itself to Bloomsday, an annual
- bloom, marine (ecology)
water bloom, dense aquatic population of microscopic photosynthetic organisms produced by an abundance of nutrient salts in surface water, coupled with adequate sunlight for photosynthesis. The microorganisms or the toxic substances that they release may discolour the water, deplete its oxygen
- Bloom, Molly (fictional character)
Molly Bloom, one of the three central characters in the novel Ulysses (1922) by James Joyce. The novel is constructed as a modern parallel to Homer’s Odyssey, and its central characters are crafted as counterparts to the characters of that ancient Greek epic. The unfaithful wife of Leopold Bloom,
- Bloom, Orlando (British actor)
Katy Perry: Personal life: …Perry became engaged to actor Orlando Bloom in 2018. Two years later, they had a daughter, Daisy Dove Bloom. In June 2025 the couple announced that they had broken up, and later that year Perry was rumored to be dating former Canadian prime minister Justin Trudeau.
- bloom, water (ecology)
water bloom, dense aquatic population of microscopic photosynthetic organisms produced by an abundance of nutrient salts in surface water, coupled with adequate sunlight for photosynthesis. The microorganisms or the toxic substances that they release may discolour the water, deplete its oxygen
- Bloomberg Businessweek (American magazine)
business magazines: BusinessWeek: McGraw-Hill Publishing Co. started a new business magazine called The Business Week in September 1929. Unlike Forbes, The Business Week’s focus was the economy, hence why a thermometer ran on the cover of the magazine in the 1930s through 1961, gauging the temperature of…
- Bloomberg LP (American company)
Michael Bloomberg: Early life and Bloomberg LP: Twenty years later the renamed Bloomberg LP had become a global leader in financial data services. Central to the company’s success was the Bloomberg computer terminal, a comprehensive financial news and information source. The company’s other holdings included the Bloomberg Business News wire service, news radio station WBBR in New…
- Bloomberg News (international news service)
Bloomberg News, news service based in New York City, New York, known for providing business and economic news to investors and for increasing competition between business newswires. Bloomberg News is operated by Bloomberg LP, a private financial-data services and media company. In 1981 American
- Bloomberg, Michael (American businessman and politician)
Michael Bloomberg is an American businessman and politician, who founded a financial data-services firm and served as mayor of New York City (2002–13). Bloomberg’s father, a Polish immigrant, was a bookkeeper and his mother a secretary. After studying engineering at Johns Hopkins University (B.S.,
- Bloomberg, Michael Rubens (American businessman and politician)
Michael Bloomberg is an American businessman and politician, who founded a financial data-services firm and served as mayor of New York City (2002–13). Bloomberg’s father, a Polish immigrant, was a bookkeeper and his mother a secretary. After studying engineering at Johns Hopkins University (B.S.,
- Bloomer Girls (American sports teams)
baseball: Women in baseball: …barnstorming teams known as “Bloomer Girls” were formed in various parts of the United States and took on amateur and semiprofessional teams that included both men and women.
- Bloomer, Amelia (American social reformer)
Amelia Bloomer was an American reformer who campaigned for temperance and women’s rights. Amelia Jenks was educated in a local school and for several years thereafter taught school and was a private tutor. In 1840 she married Dexter C. Bloomer, a Quaker newspaper editor of Seneca county, through
- Bloomer, Amelia Jenks (American social reformer)
Amelia Bloomer was an American reformer who campaigned for temperance and women’s rights. Amelia Jenks was educated in a local school and for several years thereafter taught school and was a private tutor. In 1840 she married Dexter C. Bloomer, a Quaker newspaper editor of Seneca county, through
- Bloomer, Elizabeth Anne (first lady of the United States)
Betty Ford was an American first lady (1974–77)—the wife of Gerald Ford, 38th president of the United States—and founder of the Betty Ford Center, a facility dedicated to helping people recover from drug and alcohol dependence. She was noted for her strong opinions on public issues and her candor
- bloomers (clothing)
bloomers, “rational dress” for women advocated by Amelia Jenks Bloomer in the early 1850s. The entire costume, called the “Bloomer costume” or simply “bloomers,” consisted of a short jacket, a skirt extending below the knee, and loose “Turkish” trousers, gathered at the ankles. The innovation
- Bloomers, The (work by Sternheim)
Carl Sternheim: …first play, Die Hose (The Underpants), was published and performed in 1911 under the title Der Riese (“The Giant”) because the Berlin police had forbidden the original title on the grounds of gross immorality. It has as its main character Theobald Maske. He and others of the Maske family…
- bloomery furnace (metallurgy)
iron processing: History: Another design, the high bloomery furnace, had a taller shaft and evolved into the 3-metre- (10-foot-) high Stückofen, which produced blooms so large they had to be removed through a front opening in the furnace.
- bloomery process (metallurgy)
bloomery process, Process for iron smelting. In ancient times, smelting involved creating a bed of red-hot charcoal in a furnace to which iron ore mixed with more charcoal was added. The ore was chemically reduced (see oxidation-reduction), but, because primitive furnaces could not reach the
- Bloomfield (Connecticut, United States)
Bloomfield, town (township), Hartford county, north-central Connecticut, U.S., just northwest of Hartford. The site, drained by Wash Brook and the Farmington River, was settled about 1660, and the parish of Wintonbury was organized in 1736 from parts of Windsor, Farmington, and Simsbury. In 1835
- Bloomfield (New Jersey, United States)
Bloomfield, township (town), Essex county, northern New Jersey, U.S. It is a northwestern suburb of Newark. Settled in 1660 by Puritans, it was known as Wardsesson (then a ward of Newark) until 1796, when it was renamed for the American Revolutionary general Joseph Bloomfield. During the revolution
- Bloomfield Center (Michigan, United States)
Bloomfield Hills, city, Oakland county, southeastern Michigan, U.S. It lies just southeast of Pontiac and northwest of Detroit. The site was settled in 1819 by Amasa Bagley and was known as Bagley’s Corners and Bloomfield Center until the present name was adopted in the 1890s. A farming community
- Bloomfield Hills (Michigan, United States)
Bloomfield Hills, city, Oakland county, southeastern Michigan, U.S. It lies just southeast of Pontiac and northwest of Detroit. The site was settled in 1819 by Amasa Bagley and was known as Bagley’s Corners and Bloomfield Center until the present name was adopted in the 1890s. A farming community
- Bloomfield, Leonard (American linguist)
Leonard Bloomfield was an American linguist whose book Language (1933) was one of the most important general treatments of linguistic science in the first half of the 20th century and almost alone determined the subsequent course of linguistics in the United States. Bloomfield was educated at
- Bloomfield, Mike (American musician)
blues: Influence: …such American rock musicians as Mike Bloomfield, Paul Butterfield, and the Allman Brothers Band.
- Bloomfield, Robert (English poet)
Robert Bloomfield was a shoemaker-poet who achieved brief fame with poems describing the English countryside. Born in rural Suffolk but thought too frail to work on the land, Bloomfield was sent to London at age 15 to be apprenticed to a shoemaker. His poem The Farmer’s Boy (1800), written in
- Bloomfieldian linguistics
Kenneth L. Pike: …and differs, in part, from Bloomfieldian linguistics in that semantic as well as syntactic function is used in identifying tagmemes. Pike later applied tagmemics to matrix of field theory and English rhetoric.
- Bloomgarden, Kermit (American theatrical producer)
Kermit Bloomgarden was an American producer of dramatic and musical plays that were commercially and critically successful. Bloomgarden graduated in 1926 from New York University and practiced as a certified public accountant for several years before assuming a managerial position with the
- Blooming (mural by Murray)
Elizabeth Murray: …New York City subway system: Blooming (1996), at 59th Street and Lexington Avenue, Manhattan, and Stream (2001), at Queens’s 23rd Street–Ely Avenue station. She was a recipient of the MacArthur Foundation “genius” grant in 1999.
- blooming (chemical reaction)
meat processing: Oxidation state of iron: …colour in a process called blooming. Blooming is the result of oxygen binding to the iron atom (in this state the myoglobin molecule is called oxymyoglobin). After several days of exposure to air, the iron atom of myoglobin becomes oxidized and loses its ability to bind oxygen (the myoglobin molecule…
- blooming (physics)
surface analysis: Blooming: Spatial resolution for surface mapping is limited for several techniques by an intrinsic effect, called blooming, that results from scattering of charged particles in solids. When a beam of highly focused, high-energy charged particles such as electrons strikes a solid and penetrates the surface,…
- Blooming Grove (Illinois, United States)
Bloomington, city, seat (1830) of McLean county, central Illinois, U.S. It is adjacent to Normal (north), about halfway between Chicago and St. Louis, Missouri. The site was settled in 1822 and was known as Keg Grove and later as Blooming Grove for the area’s wildflowers. In 1831 the town was laid
- Bloomingdale Papers, The (work by Carruth)
Hayden Carruth: …long poem later published as The Bloomingdale Papers (1975), which was viewed by some critics to be more valuable as a psychiatric document than as a literary one. In it, Carruth uses elements of psychiatric confinement—such as the hospital routines and psychotic interludes—to examine the human condition. Brothers, I Loved…
- Bloomington (Indiana, United States)
Bloomington, city, seat (1818) of Monroe county, southern Indiana, U.S. It lies 48 miles (77 km) south-southwest of Indianapolis. Laid out in 1818, it is in the centre of the Indiana limestone belt, and extensive stone quarries and mills are nearby. Indiana University (1820), a major element in the
- Bloomington (Illinois, United States)
Bloomington, city, seat (1830) of McLean county, central Illinois, U.S. It is adjacent to Normal (north), about halfway between Chicago and St. Louis, Missouri. The site was settled in 1822 and was known as Keg Grove and later as Blooming Grove for the area’s wildflowers. In 1831 the town was laid
- Bloomington (Minnesota, United States)
Bloomington, city, Hennepin county, southeastern Minnesota, U.S. It is a suburb of Minneapolis, located south of the city, and lies on the Minnesota River. Sioux Indians lived there when settlers first arrived. It was settled in 1843 by Peter and Louisa Quinn, who taught farming techniques to the
- Bloomsburg (Pennsylvania, United States)
Bloomsburg, town, seat (1846) of Columbia county, east-central Pennsylvania, U.S., on the Susquehanna River and Fishing Creek, 40 miles (64 km) southwest of Wilkes-Barre. Susquehannock (Susquehanna) peoples inhabited the area when settlers began arriving in the mid-18th century. The settlement was
- Bloomsbury (neighborhood, London, United Kingdom)
Bloomsbury, residential and academic area in the borough of Camden, London. Bloomsbury is the site of the main administrative buildings of the University of London (notably the imposing Senate House), as well as the British Museum and the British Medical Association. Also located there are the
- Bloomsbury group (English artists circle)
Bloomsbury group, name given to a coterie of English writers, philosophers, and artists who frequently met between about 1907 and 1930 at the houses of Clive and Vanessa Bell and of Vanessa’s brother and sister Adrian and Virginia Stephen (later Virginia Woolf) in the Bloomsbury district of London,
- Bloop, the (underwater sound, Pacific Ocean)
oceanic pole of inaccessibility: Location and geography: An ultralow-frequency sound nicknamed “the Bloop” can be heard underwater at Point Nemo. It was first detected in 1997 by scientists from the U.S. National Oceanic and Atmospheric Administration (NOAA) who had placed hydrophones across the Pacific Ocean to record underwater volcanic activity. Multiple theories about the Bloop abounded,…
- Bloor, Ella Reeve (American political organizer and writer)
Ella Reeve Bloor was an American political organizer and writer who was active as an American socialist and communist, both as a candidate for public office and in labour actions in several industries. Ella Reeve grew up in Bridgeton, New Jersey. After her marriage to Lucien Ware in 1881 or 1882
- Blooteling, Abraham (Dutch artist)
printmaking: The Netherlands: Abraham Blooteling, a pupil of van Dalen II, was also a fine portrait engraver. His major contribution, however, was in the development of the new technique of mezzotint—specifically, the invention of the rocker, the tool used in the technique. He also introduced the mezzotint into…
- Blore Heath, battle of (England [1459])
Wars of the Roses: Competing claims to the throne and the beginning of civil war: The Yorkists were successful at Blore Heath (September 23) but were scattered after a skirmish at Ludford Bridge (October 12). York fled to Ireland, and the Lancastrians, in a packed parliament at Coventry (November 1459), obtained a judicial condemnation of their opponents and executed those on whom they could lay…
- Blore, Chuck (American broadcaster)
Chuck Blore and “Color Radio”: By the time Chuck Blore switched on “Color Radio” in Los Angeles, on KFWB in January 1958, Top 40 had been around for several years. It was Blore, however, who gave it a polish that elevated his stations—and those that imitated them—beyond the ultimately limited…
- Blosius, Franciscus Ludovicus (Benedictine monastic reformer and writer)
Franciscus Ludovicus Blosius was a Benedictine monastic reformer and mystical writer. Of noble birth, he was a page at the court of the future emperor Charles V and received his early education from the future pope Adrian VI. In 1520 he entered the Benedictine Order at Liessies, becoming abbot in
- Blossfeldt, Karl (German photographer)
Karl Blossfeldt was a German photographer known best for his stark close-up portraits of plants, twigs, seeds, leaves, and other flora. In 1881 Blossfeldt began his studies as an apprentice at the Art Ironworks and Foundry in Mägdesprung, Germany, where he studied sculpture and iron casting. He
- Blossom, Roberts (American actor)
Home Alone: Plot summary: Marley (Roberts Blossom), who was rumored to have murdered his family many years ago. The old man wishes Kevin a merry Christmas, sits with him, and tells him he is there to watch his granddaughter sing. He also assures Kevin that there is no truth to…
- blossom-end rot (plant pathology)
plant disease: Adverse environment: Blossom-end rot of tomato and pepper is prevalent when soil moisture and temperature levels fluctuate widely and calcium is low.
- blossom-headed parakeet (bird)
psittaciform: Importance to humans: …what is now called the blossom-headed parakeet (Psittacula cyanocephala) of India. However, there is no doubt that parrots were associated with humans much earlier, for natives on all continents have had parrots as pets. Parrots of many kinds have been long transported to zoos and private collections. Affluent citizens of…
- Blossoming Port, The (film by Kinoshita Keisuke)
Kinoshita Keisuke: Hanasaku minato (1943; The Blossoming Port), his first independently directed film, was a major success. Three years later, Osone-ke no asa (1946; A Morning with the Osone Family) established his reputation as one of the most talented postwar directors. In two of his most popular films, Karumen kokyō…
- Blossoms in the Dust (film by LeRoy [1941])
Greer Garson: …include Pride and Prejudice (1940), Blossoms in the Dust (1941, the first time she was teamed with her frequent costar Walter Pidgeon), Random Harvest (1942), and Madame Curie (1943), but the film that cemented her reputation and image was Mrs. Miniver (1942). Filmed during World War II and tailor-made for…
- blot drawing
blot drawing, technique in the visual arts of using accidental blots or other aleatory stains on paper as the basis for a drawing. Leonardo da Vinci was one of the first to expound the value of such accidental marks (in his case he referred specifically to marks on walls) as a means of stimulating
- blotch (plant disease)
sooty mold, plant disease characterized by splotchy black stains or coatings on leaves, stems, and fruit. The black residue of sooty mold is composed of dark fungal threads of a number of ascomycetes, including species of Alternaria, Capnodium, Cladosporium, Fumago, and Scorias. These fungi grow in
- Bloteling, Abraham (Dutch artist)
printmaking: The Netherlands: Abraham Blooteling, a pupil of van Dalen II, was also a fine portrait engraver. His major contribution, however, was in the development of the new technique of mezzotint—specifically, the invention of the rocker, the tool used in the technique. He also introduced the mezzotint into…
- Blount College (university system, Tennessee, United States)
University of Tennessee, state university system based in Knoxville, Tennessee, U.S. It is a comprehensive, land-grant institution of higher education. In addition to the main campus, there are branch campuses at Chattanooga and Martin as well as a health science centre at Memphis. The university
- Blount, Charles (English philosopher)
Deism: The English Deists: …the political philosopher Thomas Hobbes, Charles Blount, the earl of Shaftesbury (Cooper), Anthony Collins, Thomas Woolston, Matthew Tindal, Thomas Morgan, Thomas Chubb, and Viscount Bolingbroke, fixed the canon of who should be included among the Deist writers. In subsequent works, Hobbes usually has been dropped from the list and John…
- Blount, Edward (English publisher)
Edward Blount was a publisher and translator who, with Isaac and William Jaggard, printed the First Folio of William Shakespeare’s plays (1623). After serving as an apprentice to London publisher William Ponsonby, Blount in 1588 became a freeman of the Stationers’ Company and opened a bookshop in
- Blount, Herman (American musician and composer)
Sun Ra was an American jazz composer and keyboard player who led a free jazz big band known for its innovative instrumentation and the theatricality of its performances. Sun Ra, who claimed to have been born on the planet Saturn, grew up in Birmingham, studied piano under noted teacher Fess
- Blount, Martha (British aristocrat)
Alexander Pope: …incident involving Caryll’s relatives) and Martha Blount, to whom Pope addressed some of the most memorable of his poems and to whom he bequeathed most of his property. But his religion also precluded him from a formal course of education, since Catholics were not admitted to the universities. He was…
- Blount, Sonny (American musician and composer)
Sun Ra was an American jazz composer and keyboard player who led a free jazz big band known for its innovative instrumentation and the theatricality of its performances. Sun Ra, who claimed to have been born on the planet Saturn, grew up in Birmingham, studied piano under noted teacher Fess
- Blount, Thomas (British lexicographer)
dictionary: From 1604 to 1828: …fuller than its predecessors was Thomas Blount’s work of 1656, Glossographia; or, A Dictionary Interpreting All Such Hard Words…As Are Now Used in Our Refined English Tongue. He made an important forward step in lexicographical method by collecting words from his own reading that had given him trouble, and he…
- Blount, William (American politician)
William Blount was the first territorial governor of (1790–96) and later one of the first two U.S. senators from Tennessee (1796–97). Blount served in the North Carolina militia during the Revolutionary War. During the 1780s he was elected to six terms in the North Carolina legislature, represented
- blow (mammalian reflex)
whale: …explosive breath known as a blow. Blows are visible because water vapour in the whale’s hot breath condenses when the blow is released.
- Blow (film by Demme [2001])
Penélope Cruz: …starred opposite Johnny Depp in Blow (2001), a film based on the life of George Jung, the most prolific cocaine dealer in the United States during the 1970s. In 2001 Cruz also appeared in Vanilla Sky—a remake of a successful film in which she had earlier starred, Abre los ojos…
- Blow by Blow (album by Beck)
Jeff Beck: The critically acclaimed Blow by Blow (1975), produced by Beatles collaborator George Martin, featured an all-instrumental, jazz fusion approach in which Beck’s guitar playing essentially took the place of a lead vocalist. He would record largely without vocals for the rest of his career.
- blow extrusion (materials technology)
plastic: Extrusion: In the blow extrusion process, polymer molecules are oriented around the circumference of the bag as well as along its length, resulting in a biaxially oriented structure that often has superior mechanical properties over the unoriented material.
- blow fly (insect)
blow fly, (family Calliphoridae), any member in a cosmopolitan family of insects comprising about 1,500 species in around 150 genera. Blow flies are ecologically important as decomposers and can rapidly colonize carrion and other decaying organic matter and thus aid in nutrient cycling. Adults and
- blow harmony (music)
the Moonglows: …rhythm-and-blues vocal technique called “blow harmony,” through which each singer’s blown breath becomes part of a deeply resonant harmonic sound. Freed helped make the group one of the most significant early rock-and-roll acts, including them in many of his stage shows and in his motion pictures Rock, Rock, Rock…
- blow molding
blow molding, in glass production, method of forming an article of glass by blowing molten glass into a mold. This operation is performed with the aid of a hollow metal tube that has a mouthpiece at one end. A gob of molten glass gathered onto the opposite end of the tube is enlarged by a bubble of
- Blow Out (film by De Palma [1981])
Brian De Palma: The 1980s and ’90s: De Palma next made Blow Out (1981), a conspiracy-theory thriller based on his own original screenplay. A tribute to Michelangelo Antonioni’s Blow-Up (1966), it featured John Travolta as a sound-effects mixer who inadvertently records a car accident that seemingly causes the death of a politician. However, the audio suggests…
- blow snake (reptile, genus Heterodon)
hognose snake, (genus Heterodon), any of up to five species of North American nonvenomous snakes belonging to the family Colubridae. The snake is named for its upturned snout, which it uses for digging. When threatened, it flattens its head and neck and then strikes with a loud hiss but rarely
- Blow Up a Storm (novel by Kanin)
Garson Kanin: Screenplays, theatrical work, and novels: Kanin also wrote novels, including Blow Up a Storm (1959), A Thousand Summers (1973), and Moviola (1979); Cast of Characters (1969), a collection of short stories; and nonfiction such as Tracy and Hepburn: An Intimate Memoir (1971), Hollywood (1974), and Together Again! The Stories of the Great Hollywood Teams (1981).…
- Blow, John (English musician)
John Blow was an organist and composer, remembered for his church music and for Venus and Adonis, which is regarded as the earliest surviving English opera. He was probably educated at the Magnus Song School in Nottinghamshire and in 1660 became a chorister at the Chapel Royal. He was appointed
- Blow, Susan (American educator)
Susan Blow was an American education reformer who was an ardent advocate of German educational ideas and who launched the first public kindergarten in the United States. Blow was reared in a deeply religious home. She was educated by tutors and at a private school in New York City. While traveling
- Blow, Susan Elizabeth (American educator)
Susan Blow was an American education reformer who was an ardent advocate of German educational ideas and who launched the first public kindergarten in the United States. Blow was reared in a deeply religious home. She was educated by tutors and at a private school in New York City. While traveling
- Blow, Wind of Fruitfulness (work by Baxter)
James K. Baxter: Blow, Wind of Fruitfulness (1948), superficially a less attractive collection, was more profound. Recent Trends in New Zealand Poetry (1951) was his first critical work, its judgments revealing a maturity beyond his years. Later verse collections include The Fallen House (1953), the satirical Iron Breadboard…
- Blow-Up (film by Antonioni [1966])
Blow-Up, British-Italian thriller, released in 1966, that was the first full-length English-language film of Italian director Michelangelo Antonioni. It is one of the seminal films of the 1960s “mod” era. Blow-Up, which was inspired by a short story by Spanish writer Julio Cortázar, features David
- blowback (weaponry)
machine gun: …by any of three ways: blowback, recoil, and gas operation.
- blowfish (fish)
puffer, any of about 90 species of fishes of the family Tetraodontidae, noted for their ability when disturbed to inflate themselves so greatly with air or water that they become globular in form. Puffers are found in warm and temperate regions around the world, primarily in the sea but also, in
- blowfly (insect)
blow fly, (family Calliphoridae), any member in a cosmopolitan family of insects comprising about 1,500 species in around 150 genera. Blow flies are ecologically important as decomposers and can rapidly colonize carrion and other decaying organic matter and thus aid in nutrient cycling. Adults and
- blowgun (weapon)
blowgun, tubular weapon from which projectiles are forcefully propelled by human breath. Primarily for hunting, it is rarely used in warfare. Employed by Malaysians and other Southeast Asian aboriginals, in southern India and Sri Lanka, in Madagascar (Malagasy Republic), in northwestern South
- blowhole (steel ingot)
steel: Solidification processes: …cavity, but there are many blowholes in the centre that normally weld together during hot-rolling. Low-carbon steel, because of its higher dissolved oxygen content, is often cast this way and is called rimmed steel. Normally, rimmed steel is cast into a big-end-down mold, as shown in B in the figure,…
- blowhole (sea cave)
sea cave: Holes, commonly known as blowholes, may eventually be forced through the roof of the cave to allow the pressure created by each wave to be released as a jet of spray.
- Blowin’ in the Wind (song by Dylan)
Bob Dylan: Blowin’ in the Wind and The Freewheelin’ Bob Dylan: …his first major composition, “Blowin’ in the Wind,” served notice that this was no cookie-cutter recording artist. About this time, Dylan signed a seven-year management contract with Albert Grossman, who soon replaced Hammond with another Columbia producer, Tom Wilson.
- blowing agent (chemistry)
foamed plastic: …are produced by incorporating a blowing agent that decomposes at the fusion point of the plastic, releasing gas bubbles that are trapped during the gelling. Foams with an open-cell structure are produced by incorporating an inert gas into the resin under pressure and then releasing the mixture to the atmosphere…
- blowing engine (air pumping machine)
blowing engine, Machine for pumping air into a furnace. Bellows driven by a waterwheel were the earliest form of blowing engine, later replaced by reciprocating pumps driven by steam or gas engines and by turbo-blowers. A modern blast furnace requires an enormous blowing
- Blown Away (album by Underwood)
Carrie Underwood: Carnival Ride, Cry Pretty, and Denim & Rhinestones: She returned in 2012 with Blown Away, a polished collection of songs that showcased her vocal versatility. It was her third release to top the Billboard album chart, and in 2013 its title track earned her another Grammy Award.
- blown three-mold
glassware: After the War of 1812: …made there in the so-called blown three-mold technique, in which decorative designs adapted from cut-glass patterns of the period were impressed in the glass by blowing in molds hinged in two, three, or more sections. More than 400 different molds have been determined and grouped according to pattern under three…
- blowout (excavation)
tunnels and underground excavations: Water control: Otherwise, a blowout could occur, depressurizing the tunnel and possibly losing the heading as soil enters. Compressed air greatly increases operating costs, partly because a large compressor plant is needed, with standby equipment to insure against loss of pressure and partly because of the slow movement of…
- blowout (geology)
deflation: …to deflation may result in deflation hollows or blowouts. These may range from 3 m (10 feet) in diameter and less than a metre deep to several kilometres in diameter and several hundred metres in depth. The Big Hollow in Wyoming was formed by deflation and is 14.5 km (9…
- blowout preventer (device)
Deepwater Horizon oil spill: Leaking oil: … attempted to activate the rig’s blowout preventer (BOP), a fail-safe mechanism designed to close the channel through which oil was drawn, the device malfunctioned. Forensic analysis of the BOP completed the following year determined that a set of massive blades known as blind shear rams—designed to slice through the pipe…
- Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth (work by Maddow)
Rachel Maddow: In Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth (2019), she posited that the gas and oil industry was undermining democracy. Maddow’s next book, Bag Man: The Wild Crimes, Audacious Cover-Up, and Spectacular Downfall of a Brazen Crook in the…
- blowpipe (instrument)
blowpipe, a small tubular instrument for directing a jet of air or other gas into a flame in order to concentrate and increase the flame’s heat. A blowpipe is usually operated directly by mouth, but a small bellows may also be used. In mineralogy, the blowpipe technique for analyzing ores was
- Blowpipe (missile)
rocket and missile system: Passive: Stinger and British Blowpipe proved effective against Soviet aircraft and helicopters in Afghanistan, as did the U.S. Redeye in Central America.