Source : WordNet®

rpm
     n : rate of revolution of a motor; "the engine was doing 6000
         revs" [syn: {revolutions per minute}, {rev}]

Source : Free On-Line Dictionary of Computing

RPM
     
         A {Unix} {package}-management system
        that helps installation of software packages; similar to an
        install program.
     
        [More details?  Reference?  Expansion?]
     
        (1996-03-07)

rpm
     
        {rotation per minute}