Noun(1) the fractional change in length or area or volume per unit change in temperature at a given constant pressure(2) a quality characterized by magnificence of scale or the tendency to expand(3) a friendly open trait of a talkative person
(1) The local compression created by the electric field can be related to the expansivity modulus, K, by this expression.(2) They provide resistance to frictional wear, corrosion resistance, nonmagnetic characteristics and, in some alloys, low thermal expansivity at ambient temperatures.(3) The comparatively high thermal expansivity of aluminium leads to looseness unless the steel has a similar coefficient of expansion.
English to Tamil Dictionary: expansivity
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