78 78 /ˈsɛvən-eɪt/

adjective

1. Being eight more than seventy  ( 78 , lxxviii , seventy-eight )
   being eight more than seventy
   

noun

1. A shellac based phonograph record that played at 78 revolutions per minute  ( 78 , seventy-eight )
   a shellac based phonograph record that played at 78 revolutions per minute
   
   
2. The cardinal number that is the sum of seventy and eight  ( 78 , LXXVIII , seventy-eight )
   the cardinal number that is the sum of seventy and eight