Obs. rare–1. [a. Fr. affine-r, OFr. afiner (Pr. and Sp. afinar, It. affināre):—late L. *affīnā-re f. af- = ad- to + fīn-em end.] To refine.
1601. Holland, Pliny (1634), II. 473. Very proper it [quicksilver] is therefore to affine gold.
