quartation

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English[edit]

Etymology[edit]

Latin quartus, "fourth", because usually enough silver is added to make the amount of gold in the alloyed button about one fourth.

Noun[edit]

quartation (usually uncountable, plural quartations)

  1. (chemistry, archaic) The act, process, or result (in the process of parting) of alloying a button of nearly pure gold with enough silver to reduce the fineness so as to allow acids to attack and remove all metals except the gold.

Synonyms[edit]