different between callus vs callosity

English

Etymology

From Latin callum.

Pronunciation

• (US, UK) IPA^(key): /?kæl?s/
• Rhymes: -æl?s
• Homophone: callous

Noun

callus (plural calluses or calli)

1. A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
   • 2011,David Foster Wallace The Pale King, page 17:

     Sylvanshine had once been on a first date with a Xerox rep who had complex and slightly repulsive patterns of callus on her fingers from playing the banjo semi-professionally

2. The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece.
3. (botany) The new formation over the end of a cutting, before it puts out rootlets.
4. (entomology) A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).

Translations

Verb

callus (third-person singular simple present calluses, present participle callusing, simple past and past participle callused)

1. (intransitive) To form such hardened tissue.

Translations

Anagrams

• sulcal

English

Noun

callosity (countable and uncountable, plural callosities)

1. (countable) A callus
2. (uncountable) A callous demeanour; insensitivity or hardheartedness
   • 1820, Charles Maturin, Melmoth the Wanderer, volume 1, page 291:

     The repetition of religious duties, without the feeling or spirit of religion, produces an incurable callosity of heart.

Derived terms

• ischial callosity

Anagrams

• stoically