Try Our Apps


Supposedly vs. Supposably

Poisson's ratio

or Poisson ratio

noun, Physics.
the ratio, in an elastic body under longitudinal stress, of the transverse strain to the longitudinal strain.
Origin of Poisson's ratio
1925-30; see Poisson distribution Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for Poisson's ratio

Poisson's ratio

a measure of the elastic properties of a material expressed as the ratio of the fractional contraction in breadth to the fractional increase in length when the material is stretched μ, ν
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for Poisson's ratio

Few English speakers likely know this word

Word Value for Poisson

Scrabble Words With Friends

Nearby words for poisson's ratio