English

Noun

petrolæum ‎(uncountable)

1. Archaic spelling of petroleum.
   • 1757, The Critical Review, volume IV, Dr. Rutty’s Synopſis of Mineral Waters. page #251:

     The foreign bituminous waters are, the Lacus Aſphaltites in Judea, a ſping of petrolæum in the palatinate of Cracow in Poland, a ſping of petrolæum in Tranſylvania, ſome hot ſprings of petrolæum in the kingdom of Naples, ſeveral ſprings of petrolæum in the duchy of Modena, the deſcription of which is chiefly from Rammazini.