Definition

A historical tool used to measure the position of stars and planets in the sky, helping people understand astronomy and navigation.

Example

The ancient sailors relied on the astrolabe to guide their ships across the ocean.

Conversation

Have you ever heard of an astrolabe?

Yeah, I read about it in a history book!

It's fascinating how people used an astrolabe to navigate before modern tools.

Absolutely! It’s amazing how far we've come since then.

Synonyms & Antonyms

Root Explanation

Astrolabe is derived from the Greek word "ἀστρολάβος" (astrolabos), which is composed of "ἄστρον" (astron, meaning star) and "λαμβάνειν" (lambanein, meaning to take or seize). Thus, the astrolabe is an instrument that 'takes' or 'seizes' the position of stars.

Memory Tip

Think of 'stars' ('astron') being 'taken' or 'seized' ('lambanein') by this ancient tool, which helps you remember that an astrolabe is used to measure the positions of stars.

Visually Confused Words