Definition of seventy-eight in English:

seventy-eight

(also 78)

noun

  • An old phonograph record designed to be played at 78 rpm.

    • ‘He started to strip out his treasured seventy-eights, tossing them over his shoulder.’
    • ‘The case was full of seventy-eights and forty-fives, about a hundred of them.’

Pronunciation:

seventy-eight

/ˌsevən(t)ēˈāt/