lactonic /læk'tɔnik/ 📖 中文释义 a. [化]内酯酸的, 无水氢氧酸类的 📘 English Definition(英文释义) a. Of, pertaining to, or derived from, lactone.a. Pertaining to, or designating, an acid obtained by theoxidation of milk sugar (lactose). ← lactones L 字母词表 lactonic acid →