估计损耗添量
Tret \Tret\, obs. 3d pers. sing. pres. of {Tread}, for treadeth. --Chaucer. Tret \Tret\, n. [F. traite a drawing, trading, journey, tax on wares in transit, anything diminishing the value of coins, fr. OF. traire to draw, L. trahere. See {Trait}.] (Com.) An allowance to purchasers, for waste or refuse matter, of four pounds on every 104 pounds of suttle weight, or weight after the tare deducted. --M'Culloch.