Definition

A person who studies the composition and structure of rocks, especially through microscopic examination.

Example

The petrographer analyzed the mineral content of the rock samples.

Conversation

Have you ever met a petrographer?

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

They study rocks and minerals, which sounds really interesting!

That does sound cool! I didn't know there was a job like that.

Synonyms & Antonyms

Root Explanation

Petrographer → It is formed from "petro-" (from Greek "petra", meaning rock) and "-grapher" (from Greek "grapho", meaning to write). A petrographer is someone who writes or studies rocks.

Memory Tip

Think of a person who 'writes' ('grapho') about 'rocks' ('petra') — that's what a petrographer does.

Visually Confused Words