alizarin dye

alizarin dye

[ə′liz·ə·rən ′dī]
(organic chemistry)
Sodium salts of sulfonic acids derived from alizarin.
References in periodicals archive ?
The dyed fabric is taken to a river and submerged in water (vicharrh) early in the morning before being dipped in alizarin dye in a copper vat till the red becomes deep.