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or r.p.m

revolutions per minute. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for rpm
Contemporary Examples
Historical Examples
  • 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.

    Where I Wasn't Going Walt Richmond
  • 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


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
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Word Origin and History for rpm

1906, initialism from revolutions per minute.

Online Etymology Dictionary, © 2010 Douglas Harper
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rpm in Medicine

rpm or r.p.m.
revolutions per minute

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