automaticとは

語源

From French automatique, from Ancient Greek αὐτόματον (autómaton), neuter of αὐτόματος (autómatos, “self-moving, moving of oneself, self-acting, spontaneous”), from αὐτός (autós, “self, myself”) + μέμαα (mémaa, “to wish eagerly, strive, yearn, desire”).

発音

• (英国発音) IPA^(key): /ˌɔːtəˈmætɪk/
• (米国発音) IPA^(key): /ˌɔtəˈmætɪk/, [ˌɔɾəˈmæɾɪk]
• 韻: -ætɪk

形容詞

automatic (comparative more automatic, superlative most automatic) (最上級 dubious)

1. Capable of operating without external control or intervention.

   The automatic clothes washer was a great labor-saving device.

2. Done out of habit or without conscious thought.

   The reaction was automatic: flight!

3. (of a firearm such as a machine gun) Firing continuously as long as the trigger is pressed until ammunition is exhausted.

   Fully automatic weapons cannot be legally owned by private citizens in the US, except in very special circumstances, as by private security companies.

4. (of a handgun) An autoloader; a semi-automatic or self-loading pistol, as opposed to a revolver or other manually actuated handgun, which fires one shot per pull of the trigger; distinct from machine guns.

   The US Army adopted John Browning's M1911 pistol as its sidearm, chambered in .45 ACP (Automatic Colt Pistol).

5. (computing, of a local variable) Automatically added to and removed from the stack during the course of function calls.
6. (mathematics, of a group) Having one or more finite-state automata

同意語

• (without conscious thought): perfunctory, thoughtless, instinctive

反意語

• (capable of operating without external control): manual
• (without conscious thought): voluntary

等位語

• (of a firearm): semi-automatic, burst mode, selective action; bolt action, lever action, pump action (single-round per loading/chambering action)

派生語

関連する語

名詞

automatic (複数形 automatics)

1. A car with automatic transmission.

   I never learned to drive a stick. I can only drive an automatic.

2. A semi-automatic pistol.

   The G-men raiding the speakeasy were equipped with .45 automatics, while the local policemen were carrying revolvers and shotguns.

   • 1934, Agatha Christie, chapter 9, in Murder on the Orient Express, London: HarperCollins, published 2017, page 262:

     'The automatic under his pillow gave the lie to that statement.'

反意語

• (car with automatic transmission): stick, stickshift; manual transmission; standard transmission

参考

(automotive):

• semi-automatic
• manumatic
• manual