Wireless fidelity

noun

Definitions

Noun
  1. 1
    Wi-Fi. uncountable
  2. 2
    a local area network that uses high frequency radio signals to transmit and receive data over distances of a few hundred feet; uses ethernet protocol wordnet

Etymology

Back-formation from Wi-Fi. The term "Wi-Fi" was coined as a pun on "hi-fi" which is an abbreviation for "high fidelity."

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