expansivity
ex·pan·si·vity
noun
1.
the fractional change in length or area or volume per unit change in temperature at a given constant pressure
Origin
From expansive + -ity.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.