Definition

A scientist who studies rocks and the conditions under which they form.

Example

The petrologist examined the samples to understand their mineral composition.

Conversation

Have you ever met a petrologist?

No, I haven't. What do they do?

They study rocks and minerals, which sounds really interesting!

That does sound cool! I’d love to learn more about geology.

Synonyms & Antonyms

Root Explanation

Petrologist → It is formed from "petra" (meaning rock) and "-logist" (meaning one who studies). A petrologist is someone who studies rocks.

Memory Tip

Think of a 'rock' ('petra') expert ('-logist') — that's what a petrologist does.

Visually Confused Words