Dictionary.com
Thesaurus.com

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The parcel-shipping giant said Tuesday it has invested $100 million to date to set up radio frequency identification, or RFID, technology across its network, with plans to spend more.

From The Wall Street Journal • Apr. 14, 2026

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

Many colleges use GPS, which is less precise and less expensive than RFID.

From Washington Post • Feb. 28, 2023

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

From The Verge • Jul. 26, 2022

RFID, as the technology is known, is infused throughout daily civilian life.

From Seattle Times • Sep. 29, 2021