coefficient_of_expansion
1. [ noun ] (physics,mathematics) the fractional change in length or area or volume per unit change in temperature at a given constant pressure
Synonyms: expansivity
Related terms: coefficient
Similar spelling:   coefficient_of_friction
  coefficient_of_reflection
  coefficient_of_absorption
  coefficient_of_correlation
  coefficient_of_concordance
  coefficient_of_viscosity
  coefficient_of_elasticity