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.
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,
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),
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]