expansivity

1. 1.

   the fractional change in length or area or volume per unit change in temperature at a given constant pressure

   Synonymscoefficient of expansion

   Broadercoefficient
2. 2.

   a quality characterized by magnificence of scale or the tendency to expand

   “the expansiveness of their extravagant life style was soon curtailed”

   Synonymsexpansiveness

   Broaderimpressiveness
3. 3.

   a friendly open trait of a talkative person

   Synonymseffusivenessexpansiveness

   Broadercommunicativeness

Other forms of expansivity

plural

expansivities·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about expansivity

What does expansivity mean?

expansivity means "the fractional change in length or area or volume per unit change in temperature at a given constant pressure". That is the primary sense; the word has 3 in total, listed in full on this page.

How many syllables are in expansivity?

expansivity has 5 syllables: ex-pan-si-vi-ty. The stress falls on "si".

What is another word for expansivity?

Close synonyms include coefficient of expansion, expansiveness, effusiveness, expansiveness. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is expansivity a common word?

expansivity is banded "Familiar" — widely understood, used when the subject calls for it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.