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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.
coefficient of expansion
noun
- the amount of expansion (or contraction) per unit length of a material resulting from one degree change in temperature Also calledexpansivity
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Word History and Origins
Origin of coefficient of expansion1
First recorded in 1870–75
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