leaving group

noun

An atom or group that is detached from the rest of a molecule during a reaction.

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Meanings

nounleaving group (plural leaving groups)

plural leaving groups

  1. chemistryAn atom or group that is detached from the rest of a molecule during a reaction.
Cite this entry
APA

leaving group. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/leaving%20group

MLA

“leaving group.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/leaving%20group. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “leaving group,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/leaving%20group.

Source: leaving group on Wiktionary, CC BY-SA 4.0.