Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun expansivity

3 senses of expansivity

Sense 1
coefficient of expansion, expansivity -- (the fractional change in length or area or volume per unit change in temperature at a given constant pressure)
       => coefficient -- (a constant number that serves as a measure of some property or characteristic)

Sense 2
expansiveness, expansivity -- (a quality characterized by magnificence of scale or the tendency to expand; "the expansiveness of their extravagant life style was soon curtailed")
       => impressiveness, grandness, magnificence, richness -- (splendid or imposing in size or appearance; "the grandness of the architecture"; "impressed by the richness of the flora")

Sense 3
effusiveness, expansiveness, expansivity -- (a friendly open trait of a talkative person)
       => communicativeness -- (the trait of being communicative)