For forms see the sb. [f. prec. sb.; cf. F. coupell-er, f. coupelle: see prec.] trans. To assay or refine in a cupel; to subject to cupellation.
1644. [see CUPELLING].
1666. Boyle, Orig. Formes & Qual. Good Gold having for a certain tryal been cuppel’d with a great deal of Lead.
1754. Phil. Trans., XLVIII. 683. A mixture of platina and lead was cupelled.
1863. F. I. Rickard, Mining Journ. Across Andes, 267. The pigs of argentiferous lead are next cupelled twice, and afterwards refined in a small bone-ash test.
Hence Cupelled ppl. a.
1754. Lewis, in Phil. Trans., XLVIII. 685. Upon examining the cupelled matters hydrostatically.
