indigoid
/ˈɪndɪɡɔɪd
/adjective
(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....
- The present invention relates to a process for preparing from 5 to 60% strength by weight aqueous alkaline solutions of reduced indigoid dyes.
- Indigoid dyestuffs are commonly referred to as indigo.