callus

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callus

  • /ˈkæləs/ US, UK

Sounds like callous · Rhymes with -æləs

Where it comes from

Borrowed from Latin callum (“hard skin”). Displaced Old English wearr.

noun calluses · calli

  1. countable, uncountable A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use. 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. countable, uncountable 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. countable, uncountable The new formation over the end of a cutting, before it puts out rootlets.
  4. countable, uncountable In orchids, a fleshy outgrowth from the labellum.
  5. countable, uncountable In grasses, a hardened extension from the base of a floret, which may or may not elongate and is often covered in hairs or bristles.
  6. countable, uncountable A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).

verb calluses · callusing · callused

  1. intransitive To form such hardened tissue.

Translations

Every language

noun hardened part of the skin

Españolcallo, callosidad, dureza, duricia
日本語胼胝
中文胼胝 piánzhī, 老繭 /老茧 lǎojiǎn, 繭子 /茧子 jiǎnzi
Portuguêscalo
Françaiscal, durillon, calus
DeutschSchwiele, Hornhaut, Kallus
Italianocallo
Ελληνικάκάλος kálos, τύλωμα týloma
Românăbătătură
Русскиймозо́ль mozólʹ
Tiếng Việtchai
العربيةجُسْأَة jusʔa
עבריתגרומת grómet, קלוס kálus

noun botany: new formation over the end of a cutting

中文癒傷組織 /愈伤组织 yùshāng zǔzhī
DeutschKallus
العربيةالكالس النباتات

verb to form hardened tissue

中文長繭 /长茧 zhǎng jiǎn
Portuguêscalejar, encalecer
Deutschverhornen
Italianoincallire

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Cite this
MLA

"callus." Wiktionary, via Micwyn, micwyn.com/word/callus. Accessed 6 Nov. 2026.

APA

callus. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/callus

Chicago

"callus." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/callus.

BibTeX
@misc{callus_2026,
  title = {callus},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/callus},
  urldate = {2026-11-06}
}