TROPAEOLIN
Etymology
Noun
tropaeolin (countable and uncountable, plural tropaeolins)
Any of several orange dyes of very complex composition: tropaeolin O (acid orange 6, chrysoine resorcinol), tropaeolin OO (acid orange 5), or tropaeolin OOO (acid orange 7).
Source: Wiktionary
Tro*pæ"o*lin, n. (Chem.)
Definition: A name given to any one of a series of orange-red dyestuffs produced artificially from certain complex sulphonic acid derivatives of azo and diazo hydrocarbons of the aromatic series; -- so called because of the general resemblance to the shades of nasturtium (Tropæolum).
Source: Webster’s Unabridged Dictionary 1913 Edition
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19 April 2025
CATCH
(verb) grasp with the mind or develop an understanding of; “did you catch that allusion?”; “We caught something of his theory in the lecture”; “don’t catch your meaning”; “did you get it?”; “She didn’t get the joke”; “I just don’t get him”
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