cupellationn.

/kjuːpəˈleɪʃən/

Forms: Also 1700s copp-, cupp-.

Etymology: < cupel v. + -ation suffix, after French coupellation.

The process of assaying or refining the precious metals in a cupel; the separation of silver from argentiferous lead, on a large scale, on a cupel.

ΘΚΠ

society > occupation and work > industry > working with specific materials > working with metal > [noun] > refining > methods of

calcinationc1386

calciningc1386

liquation1471

fulmination1617

cupelling1644

decrepitating1662

decrepitation1669

fulguration1676

concentration1689

cupellationa1691

scorification1755

affination1851

thermite process1905

zone melting1952

zone refining1952

zone levelling1953

a1691 R. Boyle Wks. (1772) III. 713 (R.) We kept it there in a cupelling-fire about three hours (having occasion to continue the cupellation so long for other trials).

1752 Philos. Trans. 1749–50 (Royal Soc.) 46 586 That Gold and Silver may be purified from all heterogeneous Substances by Coppellation.

1880 Sat. Rev. 20 Mar. 385 Mr. Crookes suggests that thallium might be used instead of lead for the cupellation of silver.

This entry has not yet been fully updated (first published 1893; most recently modified version published online December 2020).

单词	cupellation
释义	cupellationn. /kjuːpəˈleɪʃən/ Forms: Also 1700s copp-, cupp-. Etymology: < cupel v. + -ation suffix, after French coupellation. The process of assaying or refining the precious metals in a cupel; the separation of silver from argentiferous lead, on a large scale, on a cupel. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > refining > methods of calcinationc1386 calciningc1386 liquation1471 fulmination1617 cupelling1644 decrepitating1662 decrepitation1669 fulguration1676 concentration1689 cupellationa1691 scorification1755 affination1851 thermite process1905 zone melting1952 zone refining1952 zone levelling1953 a1691 R. Boyle Wks. (1772) III. 713 (R.) We kept it there in a cupelling-fire about three hours (having occasion to continue the cupellation so long for other trials). 1752 Philos. Trans. 1749–50 (Royal Soc.) 46 586 That Gold and Silver may be purified from all heterogeneous Substances by Coppellation. 1880 Sat. Rev. 20 Mar. 385 Mr. Crookes suggests that thallium might be used instead of lead for the cupellation of silver. This entry has not yet been fully updated (first published 1893; most recently modified version published online December 2020). < n.a1691
随便看	have mind upon have miss of have mister have mister of have moll thomson's mark have money to burn have money to throw about have more sense than to have more sense than to do something have more —— in one's finger than have more —— in one's little finger than have most fingers have much steam on have much to answer for have nay have need have neighbour's fare have neither head nor feet have neither head nor foot have neither part nor lot in have never had it so good have no a lot etc time for have no a lot of time for have no bearing on have no bone in one's mouth