Definition of expansivity in English:


Syllabification: ex·pan·siv·i·ty
Pronunciation: /ˌekspanˈsivitē


  • The amount a material expands or contracts per unit length due to a one-degree change in temperature.
    More 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.

More definitions of expansivity

Definition of expansivity in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody