Definition

A dangerous and corrosive liquid made from sulfur trioxide mixed with sulfuric acid, often used in chemical processes.

Example

The laboratory handled oleum with extreme caution due to its corrosive nature.

Conversation

Have you ever heard of oleum?

Yeah, I read about it in a chemistry book once.

It sounds really dangerous, like something you wouldn't want to spill.

Definitely! It's super corrosive and needs to be handled with care.

Synonyms & Antonyms

Root Explanation

**Oleum** → It originates from Latin *oleum*, meaning oil. The word refers specifically to a liquid fat or oil, often used in cooking or for medicinal purposes.

Memory Tip

Think of the Latin word for oil, *oleum*, to remember that it refers to a type of liquid fat.

Visually Confused Words