Lewis structure

noun

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

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Meanings

nounLewis structure (plural Lewis structures)

plural Lewis structures

  1. chemistryA diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

Origin

Named after Gilbert N. Lewis, who introduced it in his 1916 article The Atom and the Molecule.

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Cite this entry
APA

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

MLA

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

Chicago

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

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