略語大辞典 [Med] 23 TRU turbidity reducing unit 混濁低下単位. 酵素活性の測定単位.turbidity reducing unit; or TR(turbidity reducing); e.g. a measurement of the enzyme activity of hyaluronidase; [Med:Bio:Chem]. 丸善「略語大辞典」JLogosID : 11854351