a button to push in order to summon help in case of an emergency; "the circuit is operated by a panic button"; "when he saw that I was angry he hit the panic button" 緊急のときに助けを呼ぶために押すボタン。
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【上位】 an electrical switch operated by pressing; "the elevator was operated by push buttons"; "the push beside the bed operated a buzzer at the desk" ボタンを押して操作する電気のスイッチ。
日/英 »
