calcium cyanamide

noun

a gray-black, often lumpy powder, CaCN2, unstable in water, obtained by heating calcium carbide and nitrogen; cyanamide: used chiefly as a fertilizer, herbicide, and intermediate in the synthesis of nitrogen compounds.

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Origin of calcium cyanamide

First recorded in 1905–10

Words nearby calcium cyanamide

calcium blocker, calcium carbide, calcium carbonate, calcium channel blocker, calcium chloride, calcium cyanamide, calcium cyanide, calcium cyclamate, calcium fluoride, calcium gluconate, calcium hydroxide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for calcium cyanamide

calcium cyanamide

noun

a white crystalline compound formed by heating calcium carbide with nitrogen. It is important in the fixation of nitrogen and can be hydrolysed to ammonia or used as a fertilizer. Formula: CaCN 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