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

expansivity

noun

/ˌɪkspænˈsɪvəti/,

/ˌekspænˈsɪvəti/

/ˌɪkspænˈsɪvəti/,

/ˌekspænˈsɪvəti/

[uncountable, countable] (physics)

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the amount by which a material gets larger or smaller if the temperature changes by one degreeTopics Physics and chemistryc2

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See expansivity in the Oxford Advanced American Dictionary

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noun

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C1

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