callosity

noun

cal·​los·​i·​ty ka-ˈlä-sə-tē 

kə-

plural callosities

1

: the quality or state of being callous: such as

a

: marked or abnormal hardness and thickness

b

: lack of feeling or capacity for emotion

2

: callus sense 1

Examples of callosity in a Sentence

Recent Examples on the Web

The 17-year-old mother, named for a callosity near her blowhole that looks like a snow cone, no longer had the same girth or the dark black skin of a healthy right whale. —David Abel, BostonGlobe.com, 30 Sep. 2022

The callosity patterns, like fingerprints, are unique to each whale, allowing researchers who have pored over whale catalogue photos to recognize plenty in the wild. —Dino Grandoni, Anchorage Daily News, 22 Apr. 2022

Word History

First Known Use

14th century, in the meaning defined at sense 2

Kids Definition

callosity

noun

cal·​los·​i·​ty ka-ˈläs-ət-ē 

kə-

plural callosities

: callus entry 1 sense 1

Medical Definition

callosity

noun

cal·​los·​i·​ty ka-ˈläs-ət-ē, kə- 

plural callosities

: the quality or state of being callous

especially : marked or abnormal hardness and thickness (as of the skin)