Definition

A type of lava that has a rough, jagged surface, often formed during volcanic eruptions.

Example

The aa lava flow created a jagged landscape that was difficult to traverse.

Conversation

Have you ever seen aa lava up close?

No, I haven't, but I heard it's really rough and fascinating.

Yeah, it looks like a bunch of jagged rocks.

That sounds amazing! I would love to experience it.

Synonyms & Antonyms

Root Explanation

The word 'aa' originates from Dutch 'aa', meaning 'river' or 'stream'.

Memory Tip

Think of the Dutch word 'aa' which means a river — this helps you remember that 'aa' refers to a waterway.

Visually Confused Words