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



    BrE BrE//ɔːˈtɒmətən//
    ; NAmE NAmE//ɔːˈtɑːmətən//
    (pl. automatons, automata
    BrE BrE//ɔːˈtɒmə//
    ; NAmE NAmE//ɔːˈtɑːmə//
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  1. 1a person who behaves like a machine, without thinking or feeling anything synonym robot
  2. 2a machine that moves without human control; a small robot
  3. Word Originearly 17th cent.: via Latin from Greek, neuter of automatos ‘acting of itself’, from autos ‘self’.
See the Oxford Advanced American Dictionary entry: automaton