CUPELLATIONS
Noun
cupellations
plural of cupellation
Source: Wiktionary
CUPELLATION
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
Word of the Day
16 November 2024
LEAVE
(verb) go and leave behind, either intentionally or by neglect or forgetfulness; “She left a mess when she moved out”; “His good luck finally left him”; “her husband left her after 20 years of marriage”; “she wept thinking she had been left behind”
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