As a noun rpm
is alternative capitalization of RPM|lang=en.
As a proper noun rpm
is alternative capitalization of RPM|lang=en.
As an initialism ppm is
common Parts per million. (10000 ppm = 1%.
ppm
English
Initialism
(Initialism)
(head)
(common) Parts per million. (10000 ppm = 1%)
Pulse Position Modulation
Process Production Model
PowerPerformance Management
pages per minutes
Prediction by Partial Match
Synonyms
* (parts per million) , microuno
Related terms
* (parts per million) ppb , ppt , ppq
See also
* (Parts-per notation)
* percent
* permille
* permyriad
Anagrams
*