automaticとは

意味・読み方・使い方

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): /ˌɔː.təˈmæt.ɪk/
• (米国発音) IPA^(key): /ˌɔː.təˈmæt.ɪk/, [ˌɔː.ɾəˈmæɾ.ɪk]
  • (cot–caught merger) IPA^(key): /ˌɑː.təˈmæt.ɪk/
  • 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.

   Antonyms: manual, non-automatic

2. Done out of habit or without conscious thought.

   The reaction was automatic: flight!

   Absent-minded doodling is a form of automatic art.

   Synonyms: instinctive, perfunctory, thoughtless

   Antonym: voluntary

3. Necessary, inevitable, prescribed by logic, law, etc.

   Spitting at another player means an automatic red card.

4. (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.

   Coordinate terms: semi-automatic, burst mode, selective action, bolt action, lever action, (single-round per loading/chambering action) pump action

5. (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).

   • 1926, Sir Arthur Conan Doyle, The Land of Mist‎^[1]:

     From a little hand-bag he extracted his automatic pistol, which he put upon the mantelpiece.

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

派生語

関連する語

派生した語

• → Albanian: automatik
• → Malay: automatik

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.

   • 1926, Sir Arthur Conan Doyle, The Land of Mist‎^[2]:

     "I told him that if my automatic was not a spook-stopper, nothin' else would serve."

   • 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