雷諾數 Save Sign in to save words Simplified: 雷诺数 léinuòshù ㄌㄟˊ ㄋㄨㄛˋ ㄕㄨˋ Reynolds number (ratio of inertial forces to viscous forces in fluid mechanics) Character by character 雷(léi)surname Lei 諾(nuò)consent 數(shù)number A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0