petrolaeum (uncountable)
Archaic spelling of petroleum petroleum
See also: Petroleum
Contents 1 English 1.1 Alternative forms 1.2 Etymology 1.3 Pronunciation 1.4 Noun 1.4.1 Derived terms 1.4.2 Related terms 1.4.3 Translations
English
English Wikipedia has an article on: petroleum
Alternative forms
petrolaeum (archaic)
petrolæum (archaic)
Etymology
From Medieval Latin petroleum, from petra (“rock”) + oleum (“oil”).
Pronunciation
Noun
petroleum
1.a flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth‘s surface Synonyms: crude oil, oil
petrolaeum Archaic spelling of petroleum
原文：https://www.cnblogs.com/tolearn/p/10888700.html