Coefficient of expansion and Coefficient

Coefficient of expansion noun - The fractional change in length or area or volume per unit change in temperature at a given constant pressure.

Coefficient and coefficient of expansion are semantically related. In some cases you can use "Coefficient" instead a noun phrase "Coefficient of expansion".

Coefficient noun - A constant number that serves as a measure of some property or characteristic.

Coefficient of expansion and coefficient are semantically related. Sometimes you can replace phrase "Coefficient of expansion" with "Coefficient", this terms are similar.