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nounan area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)
Similar:
type of: -
nounbony tissue formed during the healing of a fractured bone
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noun(botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchidtype of:
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"The long march had callused his feet"verbcause a callus to form on
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"His foot callused"verbform a callus or calluses
Examples of callus
- "The long march had callused his feet"
- "His foot callused"