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Adjective: 78
  1. Being eight more than seventy
    - seventy-eight, lxxviii
Noun: 78
  1. The cardinal number that is the sum of seventy and eight
    "The temperature reached 78 degrees";
    - seventy-eight, LXXVIII
     
  2. A shellac based phonograph record that played at 78 revolutions per minute
    "He collected vintage 78s from the jazz era";
    - seventy-eight

Derived forms: 78s

See also: cardinal

Type of: disc, disk [N. Amer], gramophone record, large integer, phonograph record, phonograph recording, platter, record

Encyclopedia: 78