Poisson effect

noun

The tendency of a material to deform in the directions perpendicular to that of an applied force. The effect is quantified by a material's Poisson's ratio.

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Meanings

nounPoisson effect (plural Poisson effects)

plural Poisson effects

  1. materials scienceThe tendency of a material to deform in the directions perpendicular to that of an applied force. The effect is quantified by a material's Poisson's ratio.

Origin

Named after French mathematician, mechanician and physicist Siméon Denis Poisson.

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Cite this entry
APA

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

MLA

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

Chicago

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

Source: Poisson effect on Wiktionary, CC BY-SA 4.0.