Definition

A device that changes or controls the properties of a signal, often used in communication systems to transmit information.

Example

The engineer installed a modulator to improve the quality of the radio signal.

Conversation

I just learned about this device called a modulator in my electronics class.

Really? What does it do?

It helps change the frequency of signals, which is pretty cool!

That sounds interesting! I’d love to know more about how it works.

Synonyms & Antonyms

Root Explanation

Modulator → It is formed from "modus" (meaning measure or manner) and "-lator" (meaning one who). The word "modulator" refers to one who measures or adjusts, particularly in the context of sound or signals.

Memory Tip

Think of someone who 'measures' ('modus') and 'adjusts' ('-lator') something, like sound waves. This helps you remember that a modulator is someone or something that adjusts or modifies signals.

Visually Confused Words