Obs. rare. [ad. late L. excoctiōn-em, n. of action f. excoquĕre: see EXCOCT.] The action of extracting or elaborating by heat.
1640. G. Watts, trans. Bacon’s Adv. Learn., V. ii. 228. In the excoctions and depurations of Metalls it is a familiar error, that to advance excoction, they augment the heate of the Fornace.
1715. trans. Pancirollus’ Rerum Mem., II. vii. 316. There are other Things, which are not as yet found out, as … Excoction of the thinnest Waters.
