wireless power transfer

[/ˈwaɪərləs ˈpaʊər ˈtrænsfər/]
noun
transferência de energia sem fio
1. The transmission of electrical energy from a power source to an electrical load without physical conductors or wires connecting them
Wireless power transfer technology allows smartphones to charge without plugging in cables.
A tecnologia de transferência de energia sem fio permite que smartphones sejam carregados sem plugar cabos.
2. A method of powering devices over a distance using electromagnetic fields or other wireless means
The company invested in wireless power transfer systems for electric vehicles.
A empresa investiu em sistemas de transferência de energia sem fio para veículos elétricos.
Wireless power transfer is increasingly common in Brazil and the USA, particularly with smartphone charging pads and smartwatch chargers. In Brazil, the technology is often discussed in tech forums and is becoming more mainstream in retail environments. The term 'carregamento sem fio' is widely understood among younger Brazilian consumers, while 'transferência de energia sem fio' is preferred in academic and professional settings.
Synonyms / Sinônimos
wireless chargingcordless power transmissioninductive chargingwireless energy transfer
Antonyms / Antônimos
wired power transfercable chargingcorded charging

Regional Variations

General Brazilian Portuguese
transferência de energia sem fio
Most common formal term used in technology and academic contexts
Brazil (informal)
carregamento sem fio
Common in everyday conversation, literally 'wireless charging'
São Paulo (tech industry)
transmissão de energia sem fio
Preferred in engineering and technical documentation
Portugal
transferência de energia sem fios
Uses 'fios' (plural) instead of 'fio' (singular); slightly more formal in European Portuguese

Related Words

electromagnetic inductionresonant couplingfar-field wireless powercharging padinductive coilreceiver coiltransmitter

Related Idioms & Phrases

charging on the go
cutting the cord
going wireless
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