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



BrE BrE//ˌɑːr es ˈaɪ//
; NAmE NAmE//ˌɑːr es ˈaɪ//
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the abbreviation for ‘repetitive strain injury’ or ‘repetitive stress injury’ (pain and swelling, especially in the arms and hands, caused by performing the same movement many times in a job or an activity) The spread of computers in offices has led to a rise in cases of RSI.
See the Oxford Advanced American Dictionary entry: RSI