PPM full form – Parts per million (ppm) is a method of expressing very dilute concentrations of substances. A PPM means one in a million or 1 / 1,000,000. The concentration of something in water or soil is typically defined here. 1 ppm is equal to 1 mg (mg / L) of water per liter or 1 mg (mg / kg) of soil per kilogram.
Category – Science Units
1.
P = Parts
P = Per
M = Million
2.
P = Pages
P = Per
M = Minute
Category – Programming & Development
P = Perl
P = Package
M = Manager
Category – Politics
P = People’s
P = Progressive
M = Movement
Category – Technology
P = Portable
P = People
M = Meter
Category – Medical Instruments & Equipment
P = Permanent
P = Pace
M = Makers