expansivity

/ˌɪkˌspænˈsɪvəti/
noun
  1. The quality of being friendly, open, and willing to talk or share feelings.
    • Her natural expansivity made her the most popular person at the party.
    • His expansivity helped him make friends easily in a new city.
    • The therapist admired the patient's expansivity during their session.
  2. The ability of a material or substance to increase in size when heated or when pressure changes.
    • Different materials have different expansivity rates, which affects how they are used in construction.
    • The expansivity of water is unusual because it expands as it freezes.
    • Engineers must consider the expansivity of metals when designing bridges.
What does "expansivity" mean? | whatsthatwordmean | whatsthatwordmean