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Definition of callus noun from the Oxford Advanced Learner's Dictionary

callus

noun
 
/ˈkæləs/
 
/ˈkæləs/
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  1. an area of thick hard skin on a hand or foot, usually caused by rubbing
    • The calluses on her palm showed how hard she had had to work.
    Topics Appearancec2
    Word Originmid 16th cent.: from Latin callus (more commonly callum) ‘hardened skin’.
See callus in the Oxford Advanced American Dictionary
Check pronunciation: callus

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