Definition of twelve-inch in English:

twelve-inch

(also twelve-inch single)

noun

  • A phonograph record twelve inches in diameter and played at 45 rpm, especially one that features an extended or alternative version of a particular track on one or both sides.

    • ‘The Sugar Hill Records twelve-inch in its generic sleeve is bagged with their other purchases.’
    • ‘Now, in the safety of the apartment, the other records are put aside while the twelve-inch is plopped on mom's turntable for instant-gratification hilarity.’
    • ‘Released on a twelve-inch, the six untitled tracks that comprise Part Two are primed and cut for clubs, recalling the intoxicating pounding excesses of Squarepusher's Big Loada.’

Pronunciation:

twelve-inch

/ˈtwelvˌin(t)SH/