Definition

Relating to a device used for measuring the angles of celestial bodies by comparing their brightness with that of the sun.

Example

The heliometric measurements helped astronomers determine the distance to the stars more accurately.

Conversation

Have you ever heard about heliometric measurements in astronomy?

No, I haven't! What are they exactly?

They involve using a heliometer to measure distances to stars.

That sounds fascinating! I should read more about it.

Synonyms & Antonyms

Root Explanation

Heliometric → It is formed from "helios" (meaning sun) and "metron" (meaning measure). The word refers to the measurement of the sun's position or distance.

Memory Tip

Think of measuring the 'sun' ('helios') — that's what heliometric means.

Visually Confused Words