Definition

A device used to observe the corona of the sun by blocking out the bright light of the sun's surface.

Example

The astronomers used a coronograph to study the solar corona during the eclipse.

Conversation

Have you ever heard of a coronograph?

No, what is that?

It's a device used to observe the sun's corona during a solar eclipse.

That sounds fascinating! I would love to learn more about it.

Synonyms & Antonyms

Root Explanation

Coronograph → It is formed from "corona" (from Latin, meaning crown or halo) and "-graph" (from Greek "grapho", meaning to write or record). The word "coronograph" refers to an instrument that records the corona of the sun, resembling a crown.

Memory Tip

Think of a 'crown' ('corona') being 'recorded' ('-graph') — that's why a coronograph is used to capture images of the sun's crown.

Visually Confused Words