power loss

[/ˈpaʊər lɔːs/]
nounpl: power losses
perda de energia
1. The reduction or interruption of electrical power supply to a device, building, or area
The power loss during the storm lasted for three hours.
A perda de energia durante a tempestade durou três horas.
2. In physics and engineering, the dissipation of electrical energy as heat in a circuit or transmission line
Power loss in the transmission lines is a significant concern for energy companies.
A perda de potência nas linhas de transmissão é uma preocupação significativa para as empresas de energia.
3. A decrease in mechanical or electrical efficiency resulting in wasted energy
The motor experienced power loss due to friction and resistance.
O motor sofreu perda de potência devido ao atrito e à resistência.
In Brazil, 'perda de energia' is the standard term used by utility companies (like Enel and Eletrobras) and in everyday conversation. During rainy seasons, power loss announcements are common in Brazilian media. In the USA, 'power loss' is frequently discussed in contexts of infrastructure, climate resilience, and grid reliability, especially during extreme weather events.
Synonyms / Sinônimos
power outageblackoutelectrical failureenergy losspower failure
Antonyms / Antônimos
power gainefficiencypower restoration

Regional Variations

General Brazilian
perda de energia
Most common term used in Brazil for power interruption
General Brazilian
falta de energia
Alternative colloquial expression meaning power outage
Technical/Engineering Brazilian
perda de potência
Used in technical contexts for energy dissipation
Portugal
corte de energia
Portuguese preference for power interruption
Portugal
perda de potência
Used in technical/engineering contexts

Related Words

outagevoltage dropresistancetransmissionelectrical gridbrownoutsurge

Related Idioms & Phrases

when the power goes out
in case of power loss
power loss scenario
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