Definition

A device that measures and records changes in magnetic fields, such as those from the Earth or the Sun.

Example

The scientist used a magnetograph to study the solar magnetic activity.

Conversation

Have you heard about the new magnetograph they installed at the science center?

No, I haven't! What does it do?

It detects and records changes in magnetic fields, like those from the sun.

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

Synonyms & Antonyms

Root Explanation

Magnetograph → It is formed from "magnet" (from Greek "magnetis lithos", meaning magnet stone) and "-graph" (from Greek "grapho", meaning to write). The word "magnetograph" refers to a device that writes or records magnetic fields.

Memory Tip

Think of a device that 'writes' ('graph') about 'magnetism' ('magnet') — that's what a magnetograph does.

Visually Confused Words