cal·​los·​i·​ty ka-ˈlä-sə-tē How to pronounce callosity (audio)
plural callosities
: the quality or state of being callous: such as
: marked or abnormal hardness and thickness
: lack of feeling or capacity for emotion

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,, 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

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'callosity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

14th century, in the meaning defined at sense 2

Time Traveler
The first known use of callosity was in the 14th century

Dictionary Entries Near callosity

Cite this Entry

“Callosity.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2023.

Kids Definition


cal·​los·​i·​ty ka-ˈläs-ət-ē How to pronounce callosity (audio)
plural callosities

Medical Definition


cal·​los·​i·​ty ka-ˈläs-ət-ē, kə- How to pronounce callosity (audio)
plural callosities
: the quality or state of being callous
especially : marked or abnormal hardness and thickness (as of the skin)

More from Merriam-Webster on callosity

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