definitions

coefficient of expansion

noun Physics.

the fractional change in length, area, or volume per unit change in temperature of a solid, liquid, or gas at a given constant pressure.

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Nearby words

coeducation, coeducational, coefficient, coefficient of correlation, coefficient of elasticity, coefficient of expansion, coefficient of friction, coefficient of performance, coefficient of restitution, coefficient of variation, coefficient of viscosity

Origin of coefficient of expansion

First recorded in 1870–75
Also called expansivity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for coefficient of expansion

coefficient of expansion

noun

the amount of expansion (or contraction) per unit length of a material resulting from one degree change in temperatureAlso called: expansivity
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