WORD BY WORD

extinction

英/ɛkstˈɪŋkʃən/
美/ɪkˈstɪŋkʃən/

美式其他读音 /ɪkˈstɪŋʃən/

01n.

消失, 消灭, 废止

no longer active; extinguished; no longer in existence; the reduction of the intensity of radiation as a consequence of absorption and radiation