antipyrine

noun
an·​ti·​py·​rine | \ -ˈpī-ˌrēn How to pronounce antipyrine (audio) \

Definition of antipyrine

: an analgesic and antipyretic C11H12N2O formerly widely used but now largely replaced in oral use by less toxic substances (such as aspirin)

First Known Use of antipyrine

1884, in the meaning defined above

History and Etymology for antipyrine

from Antipyrine, a trademark

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The first known use of antipyrine was in 1884

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antipyrine

noun
an·​ti·​py·​rine | \ -ˈpī(ə)r-ˌēn How to pronounce antipyrine (audio) \
variants: also antipyrin \ -​ən How to pronounce antipyrin (audio) \

Medical Definition of antipyrine

: an analgesic and antipyretic C11H12N2O that has been used topically to treat ear pain associated with middle ear infection

called also phenazone

More from Merriam-Webster on antipyrine

Britannica.com: Encyclopedia article about antipyrine

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