Wireless Charging: Definition, Examples & Usage

Meaning 1：wireless charging (Wireless Charging)

Wireless Charging 🔊

/ˈwaɪərləs ˈtʃɑːrdʒɪŋ/

A way to give power to devices without plugging in cables, usually by placing them on a special pad.

wireless charging 🔊

➕

/ˈwaɪərləs ˈtʃɑːrdʒɪŋ/

The technology that transfers electrical energy from a power source to a device without physical wires, typically through electromagnetic induction or resonance.

📁 Category：Technological Inventions 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

Wireless (wire + less: without wires) + charging (charge + -ing: the act of powering).

💡 Mnemonic

No plug, no tangle: just place and power up!

📖 Example

I just put my phone on the wireless charging pad on my desk, and it starts powering up automatically. 🔊 I just put my phone on the wireless charging pad on my desk, and it starts powering up automatically.

🔗 Collocations

wireless charging pad – a flat surface that provides power to devices through electromagnetic induction

wireless charging stand – an upright holder that allows a device to be charged while standing

wireless charging case – a protective cover with built-in receiver for wireless power

🔄 Synonyms

inductive charging (n.) – charging method using magnetic fields to transfer energy between two coils

contactless charging (n.) – charging without physical contact between the charger and the device

cordless charging (n.) – charging that eliminates the need for charging cables

🚫 Antonyms

wired charging (n.) – charging that requires a physical cable connection

cable charging (n.) – charging using a wire or USB cord

plug-in charging (n.) – charging by inserting a plug into a socket

🌱 Derivatives

wirelessly charge (v. phrase) – to charge a device using wireless technology

wireless charger (n.) – a device that provides wireless power transfer

wireless charging technology (n. phrase) – the systems and standards enabling wireless power delivery

📖 Cultural Story

Wireless charging traces back to Nikola Tesla's 19th-century resonant inductive coupling experiments. The Qi standard, introduced in 2008, made it common in public spaces like cafes and cars.