brownout
noun
Definitions
A period of low alternating current line voltage, causing a reduction in illumination
Example: When demand for electricity exceeds the available supply, a brownout occurs.
Temporary dimming of vision, usually with a brown hue and accompanied by loss of peripheral vision or tunnel vision.
Example: On rising suddenly from her chair she experienced a brownout and had to sit down again quickly.
Temporary closing of a fire station, usually due to budget restrictions.
Example: Fire departments across the country have been forced to rely on rolling brownouts because of the recession.
A power outage during the day; distinguished from a blackout, which occurs at night