Definition of ppm in English:


Line breaks: ppm


  • 1Part(s) per million: water containing 1 ppm fluoride
  • 1.1 Computing Page(s) per minute, a measure of the speed of printers.

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space