绕流 Traditional form: 繞流 Pinyin (reading): ràoliú Definitions: turbulence (in fluid mechanics) Characters: 绕 - to entwine, to wind around; to orbit, to revolve 流 - to flow, to drift, to circulate; class Traditional characters: 繞 - to entwine, to wind around; to orbit, to revolve 流 - to flow, to drift, to circulate; class