Definition

A system used to send messages over long distances using radio waves instead of wires.

Example

The ship used a radiotelegraph to communicate with the coast guard during the storm.

Conversation

Have you ever heard of a radiotelegraph?

Yeah, I read about it in a book on communication technology.

It's fascinating how they used to send messages over long distances.

Absolutely! It's amazing how far technology has come since then.

Synonyms & Antonyms

Root Explanation

Radiotelegraph → It is formed from "radio" (from Latin *radius*, meaning ray or beam) and "telegraph" (from Greek *tele* meaning far and *grapho* meaning to write). The word describes a system that transmits written messages over long distances using radio waves.

Memory Tip

Think of 'rays' ('radio') being used to 'write' messages from 'far away' ('telegraph'). This helps you remember that a radiotelegraph sends messages over long distances using radio signals.

Visually Confused Words