cosecant /kәu'si:kәnt/ 📖 中文释义 n. 余割[电] 余割 🔗 释义中的汉语词 余割 📘 English Definition(英文释义) n. ratio of the hypotenuse to the opposite side of a right-angled triangle ← cosec C 字母词表 cosecant-squard antenna →