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.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of dimmer

First recorded in 1815–25; dim + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for dimmer

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
Book Your Online Tutor Now