43 entries under idiom topic. ×

9
crude oil(noun, expression, oil, petroleum)
6
rock oil(noun, expression)
4
fossil oil(noun, expression)
3
fossil fuel(noun, expression, oil, firewood)
3
mineral oil(expression, oil)
2
fuel oil(expression, fuel)
2
coal oil
1
black gold(noun, expression, oil)
1
essential oil
1
mineral crystal(expression, oil)
1
mineral rock(expression, oil)
0
animal oil(expression, oil)
0
big bug
0
big noise
0
cannabis oil
0
colza oil(expression, oil)
0
cottonseed oil(expression, oil)
0
dripping exunge(expression, oil)
0
fusel oil(expression, oil)
0
grain oil(expression, oil)
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APASmart Define. (2015). petroleum thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/petroleum/thesaurus/synonyms
ChicagoSmart Define. 2015. "petroleum thesaurus" https://smartdefine.org/petroleum/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, petroleum thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/petroleum/thesaurus/synonyms>.
MLASmart Define. "petroleum thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/petroleum/thesaurus/synonyms>