brownout
noun
Forms brownouts brown out brown-out
- noun (electricity) A period of low alternating current line voltage, causing a reduction in illumination. “When demand for electricity exceeds the available supply, a brownout occurs.”
- noun A 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.”
- noun (firefighting) A temporary closing of a fire station, usually due to budget restrictions. “Fire departments across the country have been forced to rely on rolling brownouts because of the recession.”
- noun A power outage during the day; distinguished from a blackout, which occurs at night.
- noun (figurative, uncommon) A moment or period where something is weakened, diminished or less effective.
- noun (Philippines, Australia, Hong Kong) A blackout, regardless of time of day.
Synonyms
Etymology
A deverbal from brown out, by analogy with blackout.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “brownout”, CC BY-SA 4.0. Details