D defs.my
Entry 1 sense Webster, 1913

Quartation

· Quar·ta·tion · IPA
01 n. 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 …
  1. 1.
    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; -- called also inquartation. Compare Parting.(Chem. & Assaying) Also: inquartation See: Parting