Dictionary.com

dimmer

[ dim-er ]
/ ˈdɪm ər /
Save This Word!

noun
a person or thing that dims.
Also called dimmer switch . a rheostat or similar device by which the intensity of an electric light may be varied.
dimmers,
  1. the low-beam headlights of an automobile or truck.
  2. the small, parking lights of an automobile.
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…

Origin of dimmer

First recorded in 1815–25; dim + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use dimmer in a sentence

British Dictionary definitions for dimmer

dimmer
/ (ˈdɪmə) /

noun
a device, such as a rheostat, for varying the current through an electric light and thus changing the illumination
(often plural) US
  1. a dipped headlight on a road vehicle
  2. a parking light on a car
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK