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Automatic --> automatical

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; especially. 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.

3. Not voluntary; not depending on the will; mechanical; as, automatic movements or functions. Unconscious or automatic reasoning. (H. Spenser) automatic arts, such economic arts or manufacture as are carried on by self-acting machinery.

Origin: cf. F. Automatique. See automaton.