Meaning of “arthritis” in the English Dictionary

"arthritis" in British English

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arthritisnoun [ U ]

uk /ɑːˈθraɪ.tɪs/ us /ɑːrˈθraɪ.t̬əs/

a serious condition in which a person's joints (= the places where two bones are connected) become painful, swollen, and stiff:

In later life she was crippled with arthritis.

(Definition of “arthritis” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"arthritis" in American English

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arthritisnoun [ U ]

us /ɑrˈθrɑɪ·t̬əs/

a disease in which a person’s joints become swollen, and in which there is some loss in the ability to move them without pain

arthritic
adjective us /ɑrˈθrɪt̬·ɪk/

an arthritic knee

(Definition of “arthritis” from the Cambridge Academic Content Dictionary © Cambridge University Press)