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carbene

[kahr-been]
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noun
  1. the radical CH2 and its derivatives.
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Origin of carbene

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for carbene

carbene

noun
  1. chem a neutral divalent free radical, such as methylene: CH 2
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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