from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. revolutions per minute

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. rate of revolution of a motor


Sorry, no etymologies found.


  • If the rpm is too fast the whip will destroy itself because of the hydrodynamic forces applied to it by the fluid.

    Combinatorial Dependencies

  • This is due to the idea that the engine can only rev to a certain rpm amount and the clutch mechanism takes away necessary rpm to produce speed.

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  • The Play-Pump is capable of producing 1400 litres per hour at 16 rpm from a depth of 40m, and is effective up to a depth of 100m.

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  • The pump is capable of producing 1400 litres per hour at 16 rpm from a depth of 40 metres and is effective up to a depth of 100 metres.

    Harnessing Kids’ Energy to Pump Water

  • For example, a file named ruby­1. 8.5.i586.rpm is coded in the rpm format.

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  • Our first laps were run at about 4,800 rpm, which is about 110 mph, and I was having no problem staying with Anthony, who was behind the instructor, second in our line of three.


  • At the request of Victoria, see the rest of the article for various different sizes of clips as well as Windows Media Player, RealPlayer and some files called rpm and smil.

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  • With a 16 mm (0.63 in.) compressor rotor diameter and a 17 mm (0.67 in.) turbine rotor diameter and combustion chamber, the engine boasts a rotational speed of 500,000 to 600,000 rpm, which is made possible by special air bearings the researchers developed.

    “World’s Smallest” Gas Turbine Engine | Impact Lab

  • This powerplant produces 157 horsepower in the van, with torque of 163 foot-pounds peaking at 4,000 rpm, which is more than what last year's engine provided.

    Breaking News: CBS News

  • Peak torque is 166 foot-pounds at 4,400 rpm, which is on par with many other sedans.

    SFGate: Top News Stories


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