ignitionKK [ˏɪˋgnɪʃən] /ˌɪˈɡnɪʃən/名詞1點火裝置、發動裝置She turned the key in the ignition, but nothing happened.她轉動點火裝置裡的鑰匙,卻毫無反應。2點火、燃燒、著火The fuel mixture reaches ignition at a very high temperature.這種混合燃料要在極高的溫度下才會著火。3引燃、點燃Investigators are still looking for the source of ignition.調查人員仍在尋找引燃的源頭。