high fidelity

noun

Electronics.

1. sound reproduction over the full range of audible frequencies with very little distortion of the original signal.

high fidelity

noun

1. Often shortened to: hi-fi. 

   1. the reproduction of sound using electronic equipment that gives faithful reproduction with little or no distortion

   2. ( as modifier )

      a high-fidelity amplifier

Other Word Forms

• high-fidelity adjective

Word History and Origins

Origin of high fidelity¹

First recorded in 1930–35