rock oil
noun
: petroleum
Example Sentences
Recent Examples on the Web Distilling rock oil produced multiple interesting compounds, one of which looked like an ideal illuminant. 
Charles R. Morris, WSJ, 21 June 2018
Charles R. Morris, WSJ, 21 June 2018 Word History
First Known Use
1668, in the meaning defined above
- golden text
- golden thistle
- golden thread
- golden ticket
- golden tickets
- golden trout
- golden tuft
- golden warbler
- golden wasp
- golden wattle
- golden wave
- golden wedding
- golden willow
- golden willow herb
- golden wolf
- golden wonder millet
- golden years
- golden yellow
- golden-ager
- golden-agers
- golden-banded lily
- golden-brown alga
- golden-brown algae
- golden-brown algas
- golden-crested kinglet