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Definition of: automatic
(ô′tə·mat′ik) adjective
1. Self-moving, self-regulating, or self-acting.
2. Acting mechanically.
3. Psychol. Done from force of habit or without volition.
4. Physiol. Independent of the will, as a reflex action.
5. Mech. Having a self-acting mechanism by which certain operations are performed under predetermined conditions: an automatic pilot. Also au′to·mat′i·cal, au·tom·a·tous (ô·tom′ə·təs).
—noun A self-acting machine, device, or weapon. See synonyms under SPONTANEOUS [ < Gk. automatos acting of oneself. See AUTOMATON.]
—au′to·mat′i·cal·ly adverb
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