brown·out

[broun-out]
noun
1.
the elimination of some or reduction of all electric lights of a city, especially as a precaution against attack in time of war.
2.
any curtailment of electric power, as by a severe storm.

Origin:
1940–45; brown + out, on the model of blackout

blackout, brownout.
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Collins
World English Dictionary
brownout (ˈbraʊnˌaʊt) [Click for IPA pronunciation guide]
 
n
1.  a dimming or reduction in the use of electric lights in a city, esp to conserve electric power or as a defensive precaution in wartime
2.  Compare blackout a temporary reduction in electrical power
3.  a temporary slowing down of the workings of the internet caused when too many users attempt to access it at the same time

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Brownout is always a great word to know.
So is quincunx. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
American Heritage
Cultural Dictionary

brownout definition


A situation in which the voltage in a power grid is reduced below its normal level but not entirely eliminated. (Compare blackout.)

Note: This reduced voltage can result in damage to many electronic devices.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Still, this kind of offensive brownout is rare for this team.
Brownout means a disruption of electrical or other similar power source for any reason.
Brownout and whiteout conditions are especially dangerous.
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