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Indigo

LC control no.sh 85065667
LC classificationTP923 TP924 Chemical technology
Topical headingIndigo
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Variant(s)Indico
See alsoDyes and dyeing
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Indirubin
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Found inReasons for laying a duty on French and Spanish indico, 1748?
Oxford English Dictionary, viewed online Nov. 12, 2019 (Indigo; forms: indico, indigo; 1.a. A substance obtained in the form of a blue powder from plants of the genus Indigofera, N.O. Leguminosæ, and largely used as a blue dye)