Definition

A device that controls the brightness of a light by adjusting the amount of electricity that flows to it.

Example

She installed a dimmer in the living room to create a cozy atmosphere.

Conversation

Have you seen my new lamp?

No, I haven't! Does it have a dimmer?

Yeah, it does! I love how I can adjust the brightness.

That sounds great! A dimmer really makes a difference in setting the mood.

Synonyms & Antonyms

Root Explanation

Dimmer → The word 'dimmer' is derived from the Old English 'dimer', which means 'dull' or 'dark'. It refers to something that reduces brightness or light.

Memory Tip

Think of something that makes light 'dull' or 'dark' — that's why a dimmer is used to lower the brightness.

Visually Confused Words