oleum

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oleum

  • /ˈoʊliəm/ US

Where it comes from

From German Oleum, from Latin oleum (“olive oil”), from Ancient Greek ἔλαιον (élaion, “olive oil”). Doublet of oil.

noun oleums

  1. countable, uncountable A solution of sulfur trioxide in sulfuric acid.

    Similar: fuming sulfuric acid

Translations

Every language

noun fuming sulfuric acid

한국어발연황산 baryeonhwangsan
日本語発煙硫酸 hatsuenryūsan
中文發煙硫酸 /发烟硫酸 fāyānliúsuān
Françaisoléum
DeutschOleum, rauchende Schwefelsäure
Русскийо́леум óleum

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Cite this
MLA

"oleum." Wiktionary, via Micwyn, micwyn.com/word/oleum. Accessed 6 Nov. 2026.

APA

oleum. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/oleum

Chicago

"oleum." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/oleum.

BibTeX
@misc{oleum_2026,
  title = {oleum},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/oleum},
  urldate = {2026-11-06}
}