[ kahr-ban-ahy-uh n, -on ]
/ kɑrˈbænˌaɪ ən, -ɒn /


an organic ion containing a negatively charged carbon atom (opposed to carbonium ion).


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
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Which of the following bird names traces its immediate origin to Portuguese?

Origin of carbanion

First recorded in 1933; carb- + anion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for carbanion

/ (kɑːˈbænaɪən) /


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