Encyclopedia > Ppm

Article Content

Ppm

ppm is an abbreviation for parts per million, i.e. 1/1,000,000.
ppm is also an abbreviation for pages per minute, often used to market printers or photocopiers.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

North Haven, New York

... 100 females there are 86.7 males. For every 100 females age 18 and over, there are 82.7 males. The median income for a household in the village is $74,583, and the median ...