[mel-uh-meen, mel-uh-meen]
noun Chemistry.
  1. a white, crystalline, slightly water-soluble solid, C3N3(NH2)3, used chiefly in organic synthesis and in the manufacture of resins, especially melamine resins.
  2. any of the melamine resins.

Origin of melamine

1825–35; < German Melamin, derivative of Melam distillate of ammonium thiocyanate (arbitrary coinage, but -am representing ammonium); see -ine2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for melamine


  1. a colourless crystalline compound used in making synthetic resins; 2,4,6-triamino-1,3,5-triazine. Formula: C 3 H 6 N 6
  2. melamine resin or a material made from this resin

Word Origin for melamine

C19: from German Melamin, from Melam distillate of ammonium thiocyanate, with -am representing ammonia
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