Definition

Related to the study and description of rocks and minerals, especially through the use of thin sections and microscopic analysis.

Example

The petrographic analysis revealed the mineral composition of the rock sample.

Conversation

Have you seen the new exhibit at the museum?

No, I haven't! What's it about?

It's focused on petrographic studies of rocks and minerals.

That sounds fascinating! I love learning about geology.

Synonyms & Antonyms

Root Explanation

Petrographic → It is formed from "petro-" (from Greek "petra", meaning rock) and "-graphic" (from Greek "graphia", meaning writing or description). The word "petrographic" refers to the description or study of rocks.

Memory Tip

Think of 'rock' ('petra') being described or written about ('-graphic') — that's what petrographic means.

Visually Confused Words