| viola | <botany> A genus of polypetalous herbaceous plants, including all kinds of violets. Origin: L, a violet. See Violet. Source: Websters Dictionary (01 Mar 1998) |
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| violaceous | 1. Resembling violets in colour; bluish purple. 2. <botany> Of or pertaining to a natural order of plants, of which the violet is the type. It contains about twenty genera and two hundred and fifty species. Origin: L. Violaceus, fr. Viola a violet. Source: Websters Dictionary (01 Mar 1998) |
| violaniline | <chemistry> A dyestuff of the induline group, made from aniline, and used as a substitute for indigo in dyeing wool and silk a violet-blue or a gray-blue colour. Origin: Violet + aniline. Source: Websters Dictionary (01 Mar 1998) |
| violantin | <chemistry> A complex nitrogenous substance, produced as a yellow crystalline substance, and regarded as a complex derivative of barbituric acid. See: Violuric. Source: Websters Dictionary (01 Mar 1998) |
| violaquercitrin | <chemistry> A yellow crystalline glucoside obtained from the pansy (Viola tricolour), and decomposing into glucose and quercitrin. Source: Websters Dictionary (01 Mar 1998) |
| violaxanthin de-epoxidase | <enzyme> Requires ascorbate, mechanism presumably reduction, then dehydration to form zeaxanthin Registry number: EC 1.- (26 Jun 1999) |