fluidity
flu.id.i.ty \flu:-'id-*t-e-\ n 1: the quality or state of being fluid 2: the physical property of a substance that enables it to flow
Webster's English Dictionaryflu.id.i.ty \flu:-'id-*t-e-\ n 1: the quality or state of being fluid 2: the physical property of a substance that enables it to flow