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Diaphanum
Qualities powers and relations · A Chymical Dictionary
At a Glance
The word. A description of transparency.
In the book. Gemma tartarea is described through diaphanous and perspicuous tartar, while Citrinulum names a transparent salt made from calcined vitriol.
A place to read. The historical definition below, 1650 dictionary, unnumbered definition page 19; facsimile PDF page 347.
Historical Definition
Diaphanum is that which is transparent.
Meaning
This is a quality term, rather than the name of one material. It can describe something through which one can see. The entry adds no account of why the subject is transparent or what it is made of.
Use in the Book
Gemma tartarea is described through diaphanous and perspicuous tartar, while Citrinulum names a transparent salt made from calcined vitriol. These examples show the quality entering descriptions of different subjects. Transparency by itself does not make those subjects identical.
Places to Read
Citrinulum. A vitriol-derived salt identified through transparency and preparation.
Gemma tartarea. A stone described through the clarity and origin of its tartar.
Historical source: 1650 dictionary, unnumbered definition page 19; facsimile PDF page 347 — Facsimile
Sources. A Chymicall Dictionary 1650, s.v. Diaphanum
See also. Citrinulum; Gemma tartarea