ppm

noun2

1. •
   Initialism of parts per million (10000 ppm = 1%).

   • The overflush consisted of 100 bbls of uncrosslinked 3000 ppm polymer, followed by one wellbore volume (~150 bbls) plus 450 bbls crude behind pipe. — 1995
2. •
   Initialism of page(s) per minute.

noun5

1. •
   Initialism of page per minute.
2. •
   Initialism of pulse position modulation.
3. •
   Initialism of prediction by partial match.
4. •
   Initialism of power-performance management.
5. •
   Initialism of process production model.