- the quality or state of being callous, hardened, or unfeeling
- pl. -·ties a hardened, thickened place on skin or bark; callus
Origin of callosityMiddle English and Old French calosite from Classical Latin callositas
- The condition of being calloused. Also called tylosis .
- Hardheartedness; insensitivity.
- See callus.
Origin of callosityMiddle English callosite from Old French from Late Latin callōsitās from Latin callōsus callous ; see callous .
(countable and uncountable, plural callosities)