coefficient of expansion

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.
Also called expansivity.


Origin:
1870–75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Coefficient of expansion is always a great word to know.
So is collision. Does it mean:
the property of a system that diminishes when the system does work on any other system, by an amount equal to the work so done
the meeting of particles or of bodies in which each exerts a force upon the other, causing the exchange of energy or momentum
Collins
World English Dictionary
coefficient of expansion
 
n
Also called: expansivity the amount of expansion (or contraction) per unit length of a material resulting from one degree change in temperature

Collins English Dictionary - Complete & Unabridged 10th Edition
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