CUPELLATION

Etymology

Noun

cupellation (countable and uncountable, plural cupellations)

The assaying of precious metal in a cupel.

Source: Wiktionary


Cu`pel*la"tion (k`pl-l"shn), n. Etym: [See Cupel.]

Definition: The act or process of refining gold or silver, etc., in a cupel.

Note: The process consist in exposing the cupel containing the metal to be assayed or refined to a hot blast, by which the lead, copper, tin, etc., are oxidized, dissolved, and carried down into the porous cupel, leaving the unoxidizable precious metal. If lead is not already present in the alloy it must be added before cupellation.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET



Word of the Day

19 November 2024

SALTWORT

(noun) bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash


coffee icon

Coffee Trivia

According to Guinness World Records, the largest iced coffee is 14,228.1 liters and was created by Caffé Bene (South Korea), in Yangju, South Korea, on 17 July 2014. They poured iced black Americano on the giant cup that measured 3.3 meters tall and 2.62 meters wide.

coffee icon