# petroleum

> English word · Noun · IPA /pəˈtɹoʊliəm/ · frequency rank #8,331

## Definitions
1. A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface.

## Etymology
From Medieval Latin petroleum, from petra (“rock”) + oleum (“oil”). Doublet of petrol.

## Common misspellings (13)
`eptroleum`, `pertoleum`, `petorleum`, `petrloeum`, `petroelum`, `petrolemu`, `petroleumm`, `petrolleum`, `petroluem`, `petrroleum`, `pettroleum`, `ppetroleum`, `pteroleum`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/petroleum