WordNet (r) 3.0 (2006):

rpm
    n 1: rate of revolution of a motor; "the engine was doing 6000
         revs" [syn: revolutions per minute, rpm, rev]

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "rpm":
   air speed, celerity, dispatch, expedition, fastness, flight, flit,
   flurry, ground speed, haste, hurry, instantaneousness, knots,
   lightning speed, miles per hour, precipitation, promptitude,
   promptness, quickness, rapidity, revolutions, revs, round pace,
   rush, snappiness, speed, speediness, swift rate, swiftness,
   velocity



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

RPM
       Radio Packet Modem (Motorola)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

RPM
       Redhat Package Manager (Linux)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

RPM
       Remote Port Module (Ascend)


The Free On-line Dictionary of Computing (30 December 2018):

revolutions per minute
rotations per minute
rpm

    (rpm, rarely: rotations per minute) A unit of angular
   velocity equal to 1/60 of a revolution per second.

   (2015-02-26)


The Free On-line Dictionary of Computing (30 December 2018):

RPM

    A Unix package-management system
   that helps installation of software packages; similar to an
   install program.

   [More details?  Reference?  Expansion?]

   (1996-03-07)