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



BrE BrE//ˌɔːtəˈmeɪʃn//
; NAmE NAmE//ˌɔːtəˈmeɪʃn//
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the use of machines to do work that was previously done by people Automation meant the loss of many factory jobs. Word Origin 1940s (originally US): irregular formation from automatic + -ation.
See the Oxford Advanced American Dictionary entry: automation