出典:Wiktionary
出典:『Wiktionary』 (2026/04/27 23:38 UTC 版)
From German Oleum, from Latin oleum (“olive oil”), from Ancient Greek ἔλαιον (élaion, “olive oil”). Doublet of oil.
oleum (countable and uncountable, plural oleums)
oleum n (genitive oleī); second declension
Second-declension noun (neuter), singular only.
| singular | |
|---|---|
| nominative | oleum |
| genitive | oleī |
| dative | oleō |
| accusative | oleum |
| ablative | oleō |
| vocative | oleum |
出典:Wikipedia
出典:『Wikipedia』 (2011/06/27 10:00 UTC 版)
Oleum (Latin oleum = "oil"), or fuming sulfuric acid refers to a solution of various compositions of sulfur trioxide in sulfuric acid or sometimes more specifically to disulfuric acid (also known as pyrosulfuric acid).
![]()
camellia-seed oil
オオアリ
nilgais