Meaning of ppm in English. ppm. noun [ U ] uk / ˌpiː.piːˈem / us / ˌpiː.piːˈem /. Add to word list Add to word list. abbreviation for parts per million (= a unit for measuring the amount of a substance that is mixed with a liquid or another substance)
aL68ZF.
  • 0st3d8nrgp.pages.dev/198
  • 0st3d8nrgp.pages.dev/174
  • 0st3d8nrgp.pages.dev/223
  • 0st3d8nrgp.pages.dev/333
  • 0st3d8nrgp.pages.dev/256
  • 0st3d8nrgp.pages.dev/185
  • 0st3d8nrgp.pages.dev/25
  • 0st3d8nrgp.pages.dev/482
  • what is ppm stand for