One of the mysteries of the English language finally explained.
(of a dye) related to indigotin in molecular structure.
- ‘Indigo, the parent compound of the indigoid class of dyes, has been in use as a vat due since before recorded history.’
- ‘Indigoid dyestuffs are commonly referred to as indigo.’
- ‘Further oxidation and dimerization of indoxyl produces indigoid pigments.’
- ‘The present invention relates to a process for preparing from 5 to 60% strength by weight aqueous alkaline solutions of reduced indigoid dyes.’
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