au·to·mat·ic /ˌɔtəˈmætɪk/
  自動的機器(a.)自動的,無意識的
  automatic
  自動常式
  automatic
  自動終止
  automatic
  半自動的
  automatic
  自動打帶機
  automatic
  自動的
  automatic
  自動
  Au·to·mat·ic Au·to·mat·ic·al a.
  1. Having an inherent power of action or motion.
     Nothing can be said to be automatic.   --Sir H. Davy.
  2. Pertaining to, or produced by, an automaton; of the nature of an automaton; self-acting or self-regulating under fixed conditions; operating with minimal human intervention; -- esp. applied to machinery or devices in which certain things formerly or usually done by hand are done by the machine or device itself; as, the automatic feed of a lathe; automatic gas lighting; an automatic engine or switch; an automatic mouse; an automatic transmission.  The opposite of manual.
  Note: Narrower terms are: autoloading(prenominal), semiautomatic; automated, machine-controlled, machine-driven; self-acting, self-activating, self-moving, self-regulating; self-locking; self-winding. Also See: mechanical.
  3. Physiol. Not voluntary; not depending on the will; mechanical; controlled by the autonomic nervous system; without conscious control; as, automatic movements or functions.  The opposite of voluntary.
  Syn: -- reflex(prenominal), reflexive,involuntary
     Unconscious or automatic reasoning.   --H. Spenser.
  Automatic arts, such economic arts or manufacture as are carried on by self-acting machinery.
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  automatic
       adj 1: operating with minimal human intervention; independent of
              external control; "automatic transmission"; "a budget
              deficit that caused automatic spending cuts" [ant: manual]
       2: like the unthinking functioning of a machine; "an automatic
          `thank you'"; "machinelike efficiency" [syn: automatonlike,
           machinelike, robotlike]
       3: without volition or conscious control; "the automatic
          shrinking of the pupils of the eye in strong light"; "a
          reflex knee jerk"; "sneezing is reflexive" [syn: reflex(a),
           reflexive]
       n 1: light machine gun [syn: automatic rifle, machine rifle]
       2: a pistol that will keep firing until the ammunition is gone
          or the trigger is released [syn: automatic pistol]