or r.p.m.


revolutions per minute.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rpm

Contemporary Examples of rpm

  • It sounds more extreme than it is—“forced exercise” is simply tandem riding in which patients are required to pedal 80-90 RPM.

    The Daily Beast logo
    A Bicycle Built for Parkinson's Relief

    Daily Beast Promotions

    December 11, 2009

Historical Examples of rpm

  • Portions of the turbine also volitized; idling at eight thousand RPM, it became unstable.

    All Day September

    Roger Kuykendall

  • Later tests would put the rim through check-out tests to as high as 1.59 gee, but "normal" operation had been fixed at two RPM.

  • The out-of-balance fan, turning at close to 35,000 rpm, flew to pieces and the air cushion vanished.

    Code Three

    Rick Raphael

  • Meanwhile, they kept up a jabber that sounded like a 33-1/3 rpm record being played 78 rpm.

    Brknk's Bounty

    Gerald Allan Sohl

British Dictionary definitions for rpm



abbreviation for

revolutions per minute
resale price maintenance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rpm

1906, initialism from revolutions per minute.

Online Etymology Dictionary, © 2010 Douglas Harper

rpm in Medicine



revolutions per minute
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.