expansivity noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of expansivity noun from the Oxford Advanced American Dictionary

expansivity

noun

NAmE//ˌɛkspænˈsɪvət̮i//

[uncountable, countable] (physics)

the amount by which a material gets larger or smaller if the temperature changes by one degree

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