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Zerus
Metals minerals and metallic preparations · A Chymical Dictionary
At a Glance
The word. A short historical name for gold.
In the book. Compare Regale, a cement used to purify gold, and Quartatio, an assay described through gold and silver.
A place to read. The historical definition below, 1650 dictionary, unnumbered definition page 48; facsimile PDF page 376.
Historical Definition
Zerus is gold.
Meaning
The dictionary supplies a direct metal equivalent. The entry does not specify a particular assay, preparation or philosophical transformation.
Use in the Book
Compare Regale, a cement used to purify gold, and Quartatio, an assay described through gold and silver. Those entries add operations that are absent from the bare synonym.
Places to Read
Quartatio. A gold assay described through the separation of silver from gold.
Regale. A cement used in the purification of gold.
Historical source: 1650 dictionary, unnumbered definition page 48; facsimile PDF page 376 — Facsimile
Sources. A Chymicall Dictionary (1650), s.v. Zerus; 1650 facsimile PDF p. 376; compare Quartatio, Regale