Chem. [f. L. ēlūtiōn-em n. of action f. ēluĕ-re: see prec.] Washing from impurity; in early Chemistry (see quot.).
1612. Woodall, Surg. Mate, Wks. (1653), 270. Elution is the preparation of common Bole, Talcum, Crocus Martis, Terra Lemnia, &c., by pulverization, calcination, lotion, &c.
1870. H. E. Godfrey, in Eng. Mech., 28 Jan., 484/2. All these starches are prepared by elution.
