See Also:

hi-fi (iou)



hi-fi adjective & noun. colloq. M20.
[from HI adjective + abbreviation of FIDELITY, repr. high fidelity s.v. HIGH adjective.]
Audio.
A. adjective. Of, pertaining to, or (esp.) designating equipment for the high-fidelity recording and reproduction of sound. M20.
b. noun. (The design and use of) equipment for the high-fidelity recording and reproduction of sound; the use of such equipment as a hobby etc. M20.