- a red dye obtained by heating an alkyl aminophenol with phthalic anhydride.
- any of various related dyes.
Origin of rhodamine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for rhodamine
(a) The colour is red; the dye is rhodamine or fuchsine, or one of their allies.The Manufacture of Paper
Robert Walter Sindall
Very good results in soap may be obtained by mixing a fast blue, as ultramarine or cobalt blue, with a red as rhodamine or eosine.Soap-Making Manual
E. G. Thomssen
It condenses with phthalic anhydride to form rhodamine, and with succinic anhydride to rhodamine S.
- any one of a group of synthetic red or pink basic dyestuffs used for wool and silk. They are made from phthalic anhydride and aminophenols
C20: from rhodo- + amine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012