RFID

American  

1. radio frequency identification: a technology that uses electronic tags placed on objects, people, or animals to relay identifying information to an electronic reader by means of radio waves.

   a toll road equipped with an RFID payment system;

   If you want to ward off identity theft, you should buy a passport case with RFID protection.

---

RFID British  

abbreviation

1. radio-frequency identity ( or identification): a technology that uses tiny computer chips to track items such as consumer commodities at a distance

---

Example Sentences

Also, when maintenance crews at Malmstrom tested some radio frequency identification, or RFID, technology - think of how seaports track items inside cargo containers - it created security vulnerabilities.

From Washington Times • Dec. 10, 2023

Prior to implementing RFID, there was a barcode on every product that acted as a license plate.

From The Verge • Jul. 26, 2022

And a Kansas company, SmartGunz, has been developing a similar product that runs on RFID.

From Washington Post • May 27, 2022

"RFID chips are used in pets to identify them when they're lost," he says.

From BBC • Apr. 10, 2022

When embedded in military guns, thin radio frequency identification tags — RFID, as the technology is known — can streamline weapon counts and distribution.

From Seattle Times • Oct. 26, 2021