irrotational /.irәu'teiʃәnәl/ 📖 中文释义 a. 无旋的 📘 English Definition(英文释义) a. Not rotatory; passing from one point to another by amovement other than rotation; -- said of the movement of parts of aliquid or yielding mass. ← irroration I 字母词表 irrotational flow →