/-{-{yèdàn}-}-/, /-{-{yìdàn}-}-/, /jɪk̚² taːm²²/, /jik6 daam6/, /jik9 daam6/, /yehdann/, /yig6 dam6/, /yihdann/, /yèdàn/, /yìdàn/、/ㄧˋ ㄉㄢˋ/、/ㄧㄝˋ ㄉㄢˋ/
(化學) 冷卻至液態的氮；用於低溫學