English
Etymology
From rock + oil, a literal rendering of Latin petroleum (literally “rock oil”).
Noun
rock oil (countable and uncountable, plural rock oils)
- (dated) Naphtha (liquid petroleum).
- (obsolete) Petroleum
Descendants
- → Marathi: रॉकेल (rŏkel) (transliteration)
References
- “rock oil”, in OneLook Dictionary Search.