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tropaeolin

From Wiktionary, the free dictionary
See also: tropæolin

English

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Alternative forms

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Etymology

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From Tropaeolum +‎ -in.

Noun

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tropaeolin (countable and uncountable, plural tropaeolins)

  1. 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).
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