Definition of brownout
: a period of reduced voltage of electricity caused especially by high demand and resulting in reduced illumination
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Origin and Etymology of brownout
brown + blackout
First Known Use: 1942
BROWNOUT Defined for English Language Learners
brownout
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noun
Definition of brownout for English Language Learners
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: a period when the amount of electricity in an area is reduced because there is not enough for everyone who needs it
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