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adj. dim·mer, dim·mest
a. Lacking in brightness: a dim room.
b. Emitting only a small amount of light; faint: a dim light bulb. See Synonyms at dark.
2. Lacking luster; dull or subdued: dim, faded colors.
3. Faintly or unclearly perceived; indistinct: a dim figure in the distance; dim, far-off sounds.
4. Lacking sharpness or clarity; vague: a dim recollection; only a dim idea of how the machine worked.
5. Weak or diminished; feeble: dim eyesight; a dim hope.
6. Negative, unfavorable, or disapproving: a dim future in store; takes a dim view of gambling.
7. Dull or slow-witted: "[She] had always seemed rather dim and vacant" (Mary V. Dearborn).
tr. & intr.v. dimmed, dim·ming, dims
To make or become dim.
a. A parking light on a motor vehicle.
b. A low beam.
2. Archaic Dusk.

[Middle English, from Old English.]

dim′ly adv.
dim′ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a fading of light
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


[ˈdɪmɪŋ] N [of light] → oscurecimiento m; [of reputation] → empañamiento m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in periodicals archive ?
New Taipei City, Taiwan, July 26, 2019 --(PR.com)-- GlacialPower, the power division of the LED technology manufacturer GlacialTech Inc, announces the GP-CVM200P constant voltage LED driver series, including non-dimming, 3-in-1 dimming and DALI versions.
The mysterious Tabby's star, aka 'Alien megastructure' star, that sits over a thousand light years away from our planet and shows weird, inexplicable dimming patterns is once again fluctuating sporadically.
Globally various other countries, including Australia, United States of America, Egypt and France, also observed the hour by dimming the lights of famous historical monuments including the Sydney Harbour Bridge, New York's Empire State Building, Pyramids of Egypt and, the Eiffel Tower.
To the best of our knowledge, the secrecy dimming capacity of VLC using multiple LEDs has not been studied in the literature.
Remarking on the product, Glenn Siegel, director of marketing and product management for Eaton's lighting division, said: "Dimming LED products reduces the light output but doesn't change the color as it does when dimming standard incandescent sources.
Labour obtained information from 141 of 150 councils responsible for street lights, with just 35 saying they were neither switching off nor dimming lights.
Three-quarters of English councils are switching off or dimming some street lights at night, leading to claims that significant areas have been "plunged into darkness" since the Government took office.
Even if they are considered dimmable, the bulb may not be able to deliver the dimming range and performance required in spaces such as restaurants, lobbies and guest rooms.
Features include four settings with visual indicators that identify the current lighting level, and a dimming function that recognizes when the light has been on for more than 30 minutes with no activity, and dims it to save power.
Performance of LED lighting equipment has been paid attention to, such as efficiency of LED drivers, device reliability, and dimming features.