| Part of speech | common noun |
|---|---|
| Hyphenation | ole·um |
| Catalan | àcid sulfúric fumant; òleum |
|---|---|
| Czech | dýmavá kyselina sírová; oleum |
| Dutch | oleum; rokend zwavelzuur |
| English | oleum |
| Esperanto | oleumo |
| Finnish | oleum; savuava rikkihappo |
| French | oléum; acide sulfurique fumant |
| German | rauchende Schwefelsäure |
| Hungarian | óleum |
| Italian | oleum; acido solforico fumante |
| Norwegian | oleum |
| Polish | oleum; kwas siarkowy dymiący |
| Romanian | oleum; acid sulfuric fumans |
| Russian | олеум |