antipyrine

noun

an·​ti·​py·​rine ˌan-tē-ˈpī-ˌrēn 

ˌan-tī-

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

Word History

Etymology

from Antipyrine, a trademark

First Known Use

1884, in the meaning defined above

Medical Definition

antipyrine

noun

an·​ti·​py·​rine -ˈpī(ə)r-ˌēn 

variants also antipyrin

-ən 

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

called also phenazone