Brownout
From Design+Encyclopedia, the free encyclopedia on good design, art, architecture, creativity, engineering and innovation.
Brownout
A brownout is a temporary and intentional or unintentional reduction in the supply of electrical power. It is different from a blackout, which is a complete loss of power, in that some electricity is still available during a brownout, but at a lower voltage or frequency than normal. Brownouts can be caused by a variety of factors, including high demand for electricity, equipment failure, or intentional load shedding by utility companies. During a brownout, electrical devices may not function properly due to the reduced voltage, and some may even be damaged. Brownouts can also cause disruptions to businesses and industries that rely on stable and consistent power supplies. In addition, brownouts can pose a risk to public safety, as they can affect critical infrastructure such as hospitals and emergency services. To mitigate the effects of brownouts, some utility companies may implement measures such as rotating power outages or investing in infrastructure upgrades to improve the stability of the electrical grid. Individuals and businesses can also take steps to protect their equipment and minimize the impact of brownouts, such as using surge protectors and backup power sources.
electricity, voltage, blackout, infrastructure, power outage
Brownout
Brownout is a mass noun that is used to refer to a temporary, intentional, or unintentional reduction in electrical power supply. Synonyms to the word Brownout include power reduction, power outage, blackout, and voltage dip. Antonyms of the word are power increase and surge. Cognates of the word Brownout are found in other languages, including “apagón” in Spanish, “blackout” in French, and “アウトアウト” in Japanese. Variants of the word Brownout can include brownouts, brown-out, and brown-outs.
Etymology, morphology, lexical change, lexical variation, lexicography, lexeme, semantic change
Brownout
There are two different origins for the word brownout. The first origin is linguistically based and derives from the phrase “brown out”, which describes the phenomenon of reduced electricity supplied to an area as a precautionary measure to avoid a blackout - an intentional or unintentional complete loss of power. The second origin is historically based and derives from World War II. During the War, bombs with brown paper bags filled with explosives were dropped onto the battlefield. It is believed that the term “brownout” was then used to describe a situation where a bomber would drop his load of explosives but miss his target and cause a slight explosion without any major damage to the surrounding area. Through both etymological and morphological evolution, the word “brownout” has come to stand for the intentional reduction of electricity in an area, with implications of intentional or unintentional power loss in order to save energy.
Etymology, Morphology, Pragmatics, Linguistics, Evolution
CITATION : "Henry Fontaine. 'Brownout.' Design+Encyclopedia. https://design-encyclopedia.com/define/brownout?E=223909 (Accessed on October 14, 2026)"
Brownout
Brownout is a form of software degradation or failure caused by a decrease in the available resources on a running system. It refers to system resource exhaustion, such as a lack of memory or processing power, that leads to diminished performance in the software running on a system. Brownout is different from a crash in that tasks continue to run and the system is responsive, though at a lower performance level. It is characterized by long wait times and slow responses, due to inadequate available resources or suboptimal resource management. Notable works by Brownout include the development of techniques for finding and debugging software performance bottlenecks, the use of code annotations to identify areas of code affected by resource constraints, and the use of algorithms to optimize resource utilization.
Resource exhaustion, sluggishness, performance bottleneck, optimization, resource utilization.
Brownout on Design+Encyclopedia
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