Phrase guide

Poisson's ratio

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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Pronunciation

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1

noun

Meaning 1

Of a material in tension or compression, the ratio of the strain in the direction of the applied load to the strain normal to the load, abbreviated ν (nu).

Definition source: English Wiktionary via Wiktextract

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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

Across languages

Translations

4 source translations are retained for this English entry.

  • Chinese Mandarin: 泊松比 (Bósōngbǐ) — ratio
  • Finnish: Poissonin suhde — ratio
  • French: coefficient de Poisson — ratio
  • Italian: modulo di Poisson — ratio