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carbanion

[kahr-ban-ahy-uh n, -on]
noun
  1. an organic ion containing a negatively charged carbon atom (opposed to carbonium ion).
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Origin of carbanion

First recorded in 1933; carb- + anion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for carbanion

carbanion

noun
  1. chem a negatively charged organic ion in which most of the negative charge is localized on a carbon atomCompare carbonium ion
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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