Lewis base

noun

Any nucleophilic compound that can donate a pair of electrons and form a coordinate covalent bond.

Opposite

Meanings

nounLewis base (plural Lewis bases)

plural Lewis bases

  1. chemistryAny nucleophilic compound that can donate a pair of electrons and form a coordinate covalent bond.

    Antonyms: Lewis acid

Synonyms & antonyms

nounAny nucleophilic compound that can donate a pair of electrons and form a coordinate covalent bond.

Opposite

Origin

Named after Gilbert N. Lewis, American chemist.

Full word history & related roots →
Cite this entry
APA

Lewis base. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Lewis%20base

MLA

“Lewis base.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Lewis%20base. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Lewis base,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Lewis%20base.

Source: Lewis base on Wiktionary, CC BY-SA 4.0.