Read Edit View history 吖丁啶 ādīngdìng azetidine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 吖丁啶 · ādīngdìng · azetidine 2026/03/04 吖丁啶 ādīngdìng azetidine azetidine (chemistry) (loanword) 吖丁啶是一种含氮的四元杂环化合物。 noun created sense Mar 4, 2026, 02:25 AM