tropaeolin

American

[troh-pee-uh-lin] / troʊˈpi ə lɪn /

Or tropeolin

noun

Chemistry.

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

tropaeolin British

/ trəʊˈpiːəlɪn /

noun

any of certain yellow and orange azo dyes of complex structure

"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

Etymology

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 -ole ¹ ) + -in ²

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023