megaphone
technology
Quick Summary
A megaphone is a cone-shaped device used to amplify or direct sound, most commonly the human voice. The word itself combines "mega-" meaning large, and "-phone" meaning sound.1
Megaphones can be used literally to make a voice louder for a crowd, or figuratively to represent a platform for widespread communication. The term can also be used as a verb, meaning to transmit or address something through a megaphone, or to speak through one. The first known use of the word "megaphone" was in 1878.12
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