AskDefine | Define brownout

Dictionary Definition

brownout n : darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft) [syn: blackout, dimout]

User Contributed Dictionary

see brown out



  1. Temporary dimming of vision, usually with a brown hue and accompanied by loss of peripheral vision or tunnel vision.
    On rising suddenly from her chair she experienced a brownout and had to sit down again quickly.
  2. A sustained period of low alternating current line voltage
    When demand for electricty exceeds the available supply, a brownout occurs.

Alternative spellings

Extensive Definition

Brownout may refer to:
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