tropaeolin

or tro·pe·o·lin

[ troh-pee-uh-lin ]

noun

, Chemistry.

1. any of a number of orange or yellow azo dyes of complex molecular structure.

tropaeolin

/ trəʊˈpiːəlɪn /

noun

1. any of certain yellow and orange azo dyes of complex structure

Word History and Origins

Origin of tropaeolin¹

1875–80; < New Latin Tropaeol ( um ) nasturtium, genus of plants yielding the dyes (equivalent to Latin tropae ( um ) trophy + -olum, neuter of -olus -ole ¹ ) + -in ²

Word History and Origins

Origin of tropaeolin¹

C19: see tropaeolum , -in