rock oil en · NOUN
Etymology
From rock + oil, a literal rendering of Latin petroleum (literally “rock oil”).
Meanings
- (countable, dated, uncountable) Naphtha (liquid petroleum).
- (countable, obsolete, uncountable) Petroleum
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| rock-oil | alternative | lexicographic | |
| rock oils | Number=Plur | lexicographic |