dimmer

[ dim-er ]
/ ˈdɪm ər /

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.

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Origin of dimmer

First recorded in 1815–25; dim + -er1

Definition for dimmer (2 of 2)

Origin of dim

before 1000; Middle English, Old English dim(me), cognate with Old Frisian dim, Old Norse dimmr

synonym study for dim

1. See dark.

OTHER WORDS FROM dim

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for dimmer

British Dictionary definitions for dimmer (1 of 2)

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

British Dictionary definitions for dimmer (2 of 2)

dim
/ (dɪm) /

adjective dimmer or dimmest

verb dims, dimming or dimmed

Derived forms of dim

dimly, adverbdimness, noun

Word Origin for dim

Old English dimm; related to Old Norse dimmr gloomy, dark
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

Idioms and Phrases with dimmer

dim

see take a dim view.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.