Definition

The very fine particles that make up the surface of the Moon, similar to dust.

Example

Astronauts collected samples of moondust during their lunar missions.

Conversation

Did you know that astronauts brought back samples of moondust from the Moon?

Really? I've always been curious about what it's like up there.

Yeah, it's actually fine particles of the surface soil, pretty fascinating!

That is cool! I wonder what they could discover from studying moondust.

Synonyms & Antonyms

Root Explanation

Moondust is formed from "moon" (from Old English *mōna*, meaning the natural satellite of Earth) and "dust" (from Old English *dust*, meaning fine particles or powder). The word "moondust" refers to the fine particles or powder found on the surface of the moon.

Memory Tip

Think of the 'moon' as the natural satellite and 'dust' as fine particles — together, they create the idea of fine particles found on the moon.

Visually Confused Words