callosity

[kuh-los-i-tee]

noun, plural cal·los·i·ties.

a callous condition.
Botany. a hardened or thickened part of a plant.
Pathology. callus(def 1a).

Origin of callosity

1375–1425; late Middle English calosite < Late Latin callōsitās, equivalent to callōs(us) callous + -itās -ity

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for callosity

Historical Examples of callosity

A callosity is a circumscribed thickening of the stratum cornium.
Surgery, with Special Reference to Podiatry
Maximilian Stern
On the knee is a callosity, or round patch of bare hardened skin.
Unexplored Spain
Abel Chapman
He wonders why a bare patch, and not a callosity, should not result from this innate, apparently hereditary habit.
The Galaxy, Volume 23, No. 2, February, 1877
Various
They attributed the halting in the hind legs of a lamb to a callosity formed around the spinal cord.
Old-Time Makers of Medicine
James J. Walsh
In the case of the Macartney marriage I suspect this to have been the only kind—a kind of callosity, protective and numbing.
Love and Lucy
Maurice Henry Hewlett

British Dictionary definitions for callosity

callosity

noun plural -ties

hardheartedness
another name for callus (def. 1)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

callosity in Medicine

callosity

[kə-lŏs′ĭ-tē]

A localized thickening and enlargement of the horny layer of the skin.callus keratoma poroma tyloma