| 单词 | Poisson's ratio |
| 释义 | Poisson's ratio /pwä-sɔ̃z rāˈshi-ō/ (physics)nounOne of the elastic constants of a material, defined as the ratio of the lateral contraction per unit breadth to the longitudinal extension per unit length when a piece of material is stretched ORIGIN: Ety as for Poisson's distribution |
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