Definition

A device that automatically measures and records changes in the amount of moisture in the air.

Example

The scientist used a hygrograph to monitor humidity levels in the greenhouse.

Conversation

Have you ever seen a hygrograph?

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

It's an instrument that records changes in humidity automatically.

That sounds really useful for weather studies!

Synonyms & Antonyms

Root Explanation

Hygrograph → It is formed from "hygrós" (Greek for moist or wet) and "graph" (from Greek "grapho", meaning to write or record). The word refers to an instrument that records moisture or humidity levels.

Memory Tip

Think of 'moisture' ('hygrós') being 'recorded' ('graph') — that's what a hygrograph does.

Visually Confused Words