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dim-out

 - 2 dictionary results

dim-out

  [dim-out]
Use dim-out in a Sentence
–noun
1. a reduction or concealment of night lighting in wartime to make the source less visible to an enemy from the air or sea.
2. a reduction of night lighting caused by a failure in an electric generating system or a reduction in its output.
Also, dimout.
Compare blackout (def. 2), brownout.

Origin:
1940–45; dim + (black)out
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To dim-out
dim-out   (dĭm'out')
n.  

  1. Restricted use of lights at night, as to make a city less visible from the air in wartime.

  2. The semidarkness resulting from restricted use of lights at night.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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