Definition of expansivity noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌɪkspænˈsɪvɪti//
; NAmE NAmE//ˌɪkspænˈsɪvɪti//
; BrE BrE//ˌekspænˈsɪvɪti//
; NAmE NAmE//ˌekspænˈsɪvɪti//
[uncountable, countable] (physics) Materials and properties
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the amount by which a material gets larger or smaller if the temperature changes by one degree See related entries: Materials and properties
See the Oxford Advanced American Dictionary entry: expansivity