Callus definition

kăləs
Frequency:
An area of the skin that has become hardened and thick, usually because of prolonged pressure or rubbing.
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A hardened, thickened place on the skin.
noun
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To form or develop such hardened tissue.
verb
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The hard substance that forms at the break in a fractured bone and serves to reunite the parts.
noun
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A disorganized mass of cells that develops over cuts or wounds on plants, as at the ends of stem or leaf cuttings.
noun
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A localized thickening and enlargement of the horny layer of the skin.
noun
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The hard bony tissue that develops around the ends of a fractured bone during healing.
noun
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Undifferentiated tissue that develops on or around an injured or cut plant surface or in tissue culture.
noun
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The hardened, sometimes sharp base of the spikelet of certain grasses.
noun
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To develop or cause to develop a callus.
verb
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A localized thickening and enlargement of the horny layer of the skin.
noun
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The hard bony tissue that develops around the ends of a fractured bone during healing.
noun
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To form or develop such hardened tissue.
verb
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The hard bony tissue that develops around the ends of a fractured bone during healing.
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A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
noun
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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.
noun
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(botany) The new formation over the end of a cutting, before it puts out rootlets.
noun
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(intransitive) To form such hardened tissue.
verb
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Other Word Forms

Noun

Singular:
callus
Plural:
calli, calluses

Origin of callus

  • Latin masculine of callum

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Wiktionary