吖丁啶 ā dīng dìng 🔊 azetidine (chemistry) (loanword) + Keep this word Meanings ā dīng dìng azetidine (chemistry) (loanword) Its characters 吖ā(used in transliterating chemical names)丁dīngmale adultHSK 7–9啶dìngidine (chemistry)