Definition of Lewis acid in English:

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Lewis acid

noun

Chemistry
A compound or ionic species that can accept an electron pair from a donor compound.
Example sentences
  • In this electrophilic aromatic substitution, the first electrophile is the Lewis acid that accepts the halogen from an alkyl halide (the nucleophile).
  • In simple additions, the carbonyl compounds can behave as both Lewis acids and Lewis bases depending on what reagents are present.
  • In a coordinate covalent bond, both electrons are donated by the Logan, a Lewis base, to the metal atom, a Lewis acid.

Origin

1940s: named after Gilbert N. Lewis (1875–1946), US chemist.

For editors and proofreaders

Syllabification: Lew·is ac·id

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