Callosity: Synonymous with callus. Both callus and callosity are derived from the Latin callum meaning thick skin.
Definition of CALLOSITY. 1: the quality or state of being callous: as a: marked or abnormal hardness and thickness b: lack of feeling or capacity for emotion
cal·los·i·ty (k-l s-t) n. pl. cal·los·i·ties. 1. The condition of being calloused. 2. Hardheartedness; insensitivity. 3. See callus. [Middle English callosite ...
callosity /cal·los·i·ty/ (kah-los´Ä-te) a callus (1). cal·los·i·ty (k-l s-t) n. A localized thickening and enlargement of the horny layer of the skin.
noun, plural -ties. 1. a callous condition. 2. Botany . a hardened or thickened part of a plant. 3. Pathology . callus ( def. 1a ) . Origin: 1375–1425; late Middle ...
noun. the quality or state of being callous, hardened, or unfeeling; pl. callosities -·ties a hardened, thickened place on skin or bark; callus