azoic dye

[ a-zoh-ik ]
/ æˈzoʊ ɪk /

noun Chemistry.

any of a group of brilliant, long-lasting azo dyes, formed on the fiber by coupling diazotized materials, used chiefly for printing on cotton.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019