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
    the expansiveness of their extravagant life style was soon curtailed
  3. a friendly open trait of a talkative person
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How To Use expansivity In A Sentence

  • They provide resistance to frictional wear, corrosion resistance, nonmagnetic characteristics and, in some alloys, low thermal expansivity at ambient temperatures.
  • The transition can be detected as a marked change in the thermal expansivity and heat capacity of the material. Archive 2005-09-01
  • I work on materials with negative Poisson's ratios (NPR) and negative thermal expansivity IMechanica - Comments
  • Water has a low coefficient of expansion (thermal expansivity). Citizendium, the Citizens' Compendium - Recent changes [en]
  • Such fibres may acts as balancing plies during manufacture because they may effectively reduce thermal expansivity (see recent papers and patents by IMechanica - Comments
  • Water's thermal expansivity reduces increasingly (becoming negative) at low temperatures. Citizendium, the Citizens' Compendium - Recent changes [en]
  • 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.
  • Water's thermal expansivity increases with increased pressure. Citizendium, the Citizens' Compendium - Recent changes [en]
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