Definition

A type of volcanic rock that is fine-grained and similar to granite, often formed from lava and can show flow lines.

Example

The geologist collected a sample of rhyolite to study its mineral composition.

Conversation

Have you ever seen a piece of rhyolite before?

I don’t think so, what does it look like?

It's a pale volcanic rock, usually with a smooth texture.

That sounds interesting! I’d love to check it out.

Synonyms & Antonyms

Root Explanation

Rhyolite is derived from the Greek "rhyos" (meaning flow) and "lithos" (meaning stone). The word describes a type of volcanic rock that flows when molten, hence its name.

Memory Tip

Think of 'flow' ('rhyos') and 'stone' ('lithos') to remember that rhyolite is a type of stone that flows when it is molten.

Visually Confused Words