permanent magnet
[/ˈpɜːrmənənt ˈmæɡnɪt/]
nounpl: permanent magnets
ímã permanente
1. A magnet that retains its magnetic properties without requiring an external source of magnetism, typically made of ferromagnetic materials like iron, nickel, or cobalt
The permanent magnet in the electric motor provides constant magnetic force.
O ímã permanente do motor elétrico fornece uma força magnética constante.
2. A material or object that maintains its magnetism over time without being electrically energized
Refrigerator magnets are small permanent magnets used for decoration and holding papers.
Os ímãs de geladeira são pequenos ímãs permanentes usados para decoração e prender papéis.
The term 'ímã permanente' is widely used in Brazilian scientific and industrial contexts, particularly in physics education and engineering. In everyday language, Brazilians might simply say 'ímã' when referring to permanent magnets found in household items. The concept is important in Brazilian manufacturing industries, particularly in motor and appliance production.
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