petroleum

Other forms of petroleum

plural

petroleums·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about petroleum

What does petroleum mean?

petroleum means "a dark oil consisting mainly of hydrocarbons".

How many syllables are in petroleum?

petroleum has 4 syllables: pe-tro-le-um. The stress falls on "tro". In IPA it is /pəˈtɹoʊliəm/.

What is another word for petroleum?

Close synonyms include crude oil, crude, rock oil, fossil oil, oil. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is petroleum a common word?

petroleum is banded "Familiar" — widely understood, used when the subject calls for it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.