rpm

USAGE SUMMARY

The word "rpm" is correct and can be used in written English.
RPM stands for "revolutions per minute" and is used to describe the speed of a rotating object, such as a motor, wheel, or record on a turntable. Example sentence: The motor is running at a speed of 2500 rpm.

✓ Grammatically correct

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

43 human-written examples

On spin-ups we increase the cadence to maybe 130-140 rpm - a purely neural, not muscular move.

The Guardian - Sport

Lack's return might hint at a bit of wistfulness among NBC executives for the good old days, when all the network's major news shows were No 1 and corporate turnover was running at a lower RPM.

The Guardian

That rate depends on the speed at which the disk is spinning, which in turn determines how quickly a given bit of data arrives under the reading head that is responsible for detecting it and transmitting it to the rest of the machine.Modern hard disks spin at between 5,400 and 15,000 revolutions per minute (rpm).

The Economist

The micro turbines on the C-X75 spin at 80,000 rpm, and with a tank of fuel can generate enough electricity to propel the Jag for 900km.

The Economist

That is because at speeds above several thousand revolutions per minute (rpm) the materials they were made of could disintegrate.

The Economist

It went off without a hitch, allowing the satellite to increase its rotation rate from 19.16 revolutions per minute (rpm) to 19.76 rpm.

The Economist

Human-verified similar examples from authoritative sources

Similar Expressions

16 human-written examples

So, the most economic way to drive this car downhill is to keep it in a high gear to maintain the rpm just above that figure and take your foot off the accelerator.

The Economist

Also, some of the vinyl used for early LPs was little better, in terms of surface noise, than the shellac and other coatings used for 78-rpm records.

The Economist

Together they created true ensemble music that peeped through the fragile grooves of 78-rpm recordings in the premicrophone era and still sounded tinny in LP and CD reissues.

Encyclopedia Britannica

Shortly afterward RCA Corporation introduced the 45-RPM disc, which could play for up to 8 minutes per side.

Encyclopedia Britannica

What they discovered was an expanding "market" of clubs and bars in each of which stood a jukebox that needed stocking with an ever-changing stack of 78-rpm records.

Encyclopedia Britannica

Expert writing Tips

Best practice

When "rpm" is used with large values, it’s preferable to include a comma for readability (e.g., 100,000 rpm).

Common error

Avoid using "rpm" when describing linear speed. "Rpm" specifically refers to rotational speed. Use terms like 'meters per second' or 'miles per hour' for linear motion.

Linguistic Context

The primary grammatical function of "rpm" is as a unit of measurement, specifically indicating revolutions per minute. As Ludwig AI confirms, "rpm" is a correct and standard abbreviation.

Expression frequency: Very common

Frequent in

News & Media

42%

Encyclopedias

23%

Science

10%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The abbreviation "rpm", standing for revolutions per minute, serves as a common and clear unit of measurement for rotational speed. As confirmed by Ludwig AI, it is grammatically correct and widely used across various contexts, including technical specifications and general discussions. Its usage is particularly frequent in "News & Media" and "Encyclopedias". While "rpm" is a highly effective way to specify rotational speed, it's crucial to avoid using it to describe linear motion, opting instead for units like meters per second or miles per hour. For alternative phrases, consider using the full form "revolutions per minute" or similar terms such as "rotations per minute" depending on the context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

revolutions per minute

This is the full form of the abbreviation "rpm".

revs per minute

A slightly more informal version of 'revolutions per minute'.

rotations per minute

This alternative uses 'rotations' instead of 'revolutions', but the meaning remains identical.

frequency of rotation

More formal way to refer at the rotation speed.

rate of revolution

Emphasizes the speed at which something is revolving.

angular velocity

Refers to the rate of change of angular displacement with respect to time

angular speed

This term refers to the rate of change of an angle, often measured in radians per second, but related to "rpm".

spin rate

A more general term for how fast something is spinning.

turning speed

A simpler term for the speed at which something turns.

cycles per minute

Describes the frequency of a complete cycle of motion in a minute.

FAQs

What does "rpm" stand for?

"Rpm" stands for revolutions per minute, a unit of measurement for the speed of rotation.

How do I use "rpm" in a sentence?

You can use "rpm" in a sentence like this: "The engine's speed was measured at 2500 "revolutions per minute"."

What is the difference between "rpm" and "mph"?

"Rpm" (revolutions per minute) measures rotational speed, while "mph" (miles per hour) measures linear speed.

What are some other ways to say "rpm"?

Alternatives to "rpm" include "rotations per minute", revs per minute, or simply specifying the rotational speed.