operating with minimal human intervention; independent of external control; "automatic transmission"; "a budget deficit that caused automatic spending cuts"人間の介入が最小の状態で作動する自動的
例:a budget deficit that caused automatic spending cuts 必然的に経費削減を引き起こした財政赤字
without volition or conscious control; "the automatic shrinking of the pupils of the eye in strong light"; "a reflex knee jerk"; "sneezing is reflexive"意志も意識的なコントロールもなしで反射的
例:The automatic shrinking of the pupils of the eye in strong light. 強い光における、目の瞳孔の自動萎縮。
resembling the unthinking functioning of a machine; "an automatic `thank you'"; "machinelike efficiency"マシンの頭を働かせない機能に類似しています機械的
例:an automatic `thank you' 機械的な感謝の言葉
light machine gun軽機関銃自動小銃
a pistol that will keep firing until the ammunition is gone or the trigger is released弾薬が切れるか引きがねを解放しない限り発射し続ける拳銃自動拳銃