The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
Pyrex
1 ENTRIES FOUND:
Pyrex
(trademark)
Pyrex
/
ˈ
paɪˌrɛks/
trademark
Pyrex
/
ˈ
paɪˌrɛks/
trademark
Britannica Dictionary definition of PYREX
—
used for a type of special glass that can get very hot without breaking
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
facility
:
a building that is built for a specific purpose
Learn More »
