Definition of expansivity in English:

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expansivity

Pronunciation: /ɛkspanˈsɪvɪti/

noun

Physics
The amount a material expands or contracts per unit length due to a one-degree change in temperature.
Example sentences
  • They provide resistance to frictional wear, corrosion resistance, nonmagnetic characteristics and, in some alloys, low thermal expansivity at ambient temperatures.
  • The local compression created by the electric field can be related to the expansivity modulus, K, by this expression.
  • The comparatively high thermal expansivity of aluminium leads to looseness unless the steel has a similar coefficient of expansion.
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