Definition of “rpm” - English Dictionary

“rpm” in American English

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abbreviation for revolutions per minute (= a measurement of the number of times something goes around during a minute):

a 78 rpm record

(Definition of “rpm” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“rpm” in Business English

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plural rpm or or rpms UK US r.p.m. uk us

TRANSPORT abbreviation for revolutions per minute: used when stating the number of times part of a machine, engine, etc. goes around during a minute:

at 600/7200/19,000, etc. rpm(s) We're trying to make engines that spin at more than 19,000 rpm.
low/high rpm(s)
The engine rpm remained relatively constant.

COMMERCE, FINANCE abbreviation for resale price maintenance

(Definition of “rpm” from the Cambridge Business English Dictionary © Cambridge University Press)