carbanion

American

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

noun

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

carbanion British

/ kɑːˈbænaɪən /

noun

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

Etymology

Origin of carbanion

First recorded in 1933; carb- + anion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In 1958, Breslow showed that the unique placement of the carbanion between the nitrogen and sulfur atoms in vitamin B1’s thiazolium ring stabilizes it, enabling catalysis of a broad range of demanding chemical transformations.

From Nature

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023