a white, crystalline, water-soluble, extremely volatile powder, CH6N2O2, used as a fertilizer.
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British Dictionary definitions for ammonium carbamate
a white soluble crystalline compound produced by reaction between dry ammonia and carbon dioxide and used as a nitrogen fertilizer. Formula: (NH 4)CO 2 NH 2
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