tropaeolin

noun, often capitalized
tro·pae·o·lin
variants: or tropeolin \trōˈpēələ̇n \
plural -s

Definition of tropaeolin 

: any of several orange or orange-yellow azo dyes some of which (as methyl orange) are used as acid-base indicators or as biological stains

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First Known Use of tropaeolin

1878, in the meaning defined above

History and Etymology for tropaeolin

International Scientific Vocabulary tropaeol- (from New Latin Tropaeolum) + -in

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Dictionary Entries near tropaeolin

trop

trop-

Tropaeolaceae

tropaeolin

tropaeolum

tropaion

troparion

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The first known use of tropaeolin was in 1878

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