carbanion

noun

carb·an·ion kär-ˈba-ˌnī-ən

-ˌnī-ˌän

: an organic ion carrying a negative charge on a carbon atom compare carbonium

Word History

First Known Use

1933, in the meaning defined above

Time Traveler

The first known use of carbanion was in 1933

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carbanilide

carbanion

carbapenem

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Cite this Entry

Style

“Carbanion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbanion. Accessed 30 Oct. 2025.

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Medical Definition

carbanion

noun

carb·an·ion kär-ˈban-ˌī-ən, -ˌī-ˌän

: an organic ion carrying a negative charge on a carbon atom

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