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ppm Syllabification: ppm

Definition of ppm in English:

abbreviation

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

Definition of ppm in:

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Word of the day fortissimo
Pronunciation: fôrˈtisəˌmō
adverb
(especially as a direction) very loud or loudly