tropaeolin

or tro·pe·o·lin

[troh-pee-uh-lin]

noun Chemistry.

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

Origin of tropaeolin

1875–80; < New Latin Tropaeol(um) nasturtium, genus of plants yielding the dyes (equivalent to Latin tropae(um) trophy + -olum, neuter of -olus -ole¹) + -in²

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British Dictionary definitions for tropaeolin

tropaeolin

noun

any of certain yellow and orange azo dyes of complex structure

Word Origin for tropaeolin

C19: see tropaeolum, -in

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012