Noun: expansivity ,ek,span'si-vu-tee
- The fractional change in length, area or volume per unit change in temperature at a given constant pressure
"The expansivity of mercury makes it suitable for use in thermometers";
- coefficient of expansion
- A quality characterized by magnificence of scale or the tendency to expand
"the expansivity of their extravagant life style was soon curtailed";
- expansiveness
- A friendly open trait of a talkative person
"Her expansivity made everyone feel welcome at the party";
- effusiveness, expansiveness
Derived forms: expansivities
Type of: coefficient, communicativeness, grandness, impressiveness, magnificence, richness
Encyclopedia: Expansivity