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rhodamine

[roh-duh-meen, -min]
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noun Chemistry.
  1. a red dye obtained by heating an alkyl aminophenol with phthalic anhydride.
  2. any of various related dyes.

Origin of rhodamine

First recorded in 1885–90; rhod- + amine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rhodamine

Historical Examples

  • (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.


British Dictionary definitions for rhodamine

rhodamine

noun
  1. 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

Word Origin

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