fire philosopher
nounEtymology A calque of Latin philosophus per ignem (“philosopher by fire”).
1
Obsolete Synonym of alchemist.
- Most of such experiments were made by means of fire, and hence, […] the experimenters were termed Alchemists, meaning “The Firists,” or “The Fire Philosophers;” […]1834, James Rennie, Alphabet of scientific chemistry, for the use of beginners, New edition, London: Orr and Smith, →OCLC, page 1: