hi-fi

[hahy-fahy] /ˈhaɪˈfaɪ/
noun
1.
high fidelity.
2.
a phonograph, radio, or other sound-reproducing apparatus possessing high fidelity.
adjective
3.
of, pertaining to, or characteristic of such apparatus; high-fidelity.
Origin
1945-50, Americanism; shortened form of high fidelity
British Dictionary definitions for hi-fi

hi-fi

/ˈhaɪˈfaɪ/
noun (informal)
1.
  1. short for high fidelity
  2. (as modifier): hi-fi equipment
2.
a set of high-quality sound-reproducing equipment
Word Origin and History for hi-fi
adj.

1947, abbreviation of high fidelity (1934), of radio recievers, in reference to their quality of sound reproduction. Hi as an advertiser's phonetic shortening of high is attested by 1914.

Related Abbreviations for hi-fi

hi-fi

high fidelity