it means one millionth or 1/1,000,000
Kilo (symbol: k) is a prefix in the SI and other systems of units denoting 10e3 or 1,000 .It comes from the Greek ("khilioi"), meaning thousand.sometimes(usually in computer files)it is taken to be...
micro is one millionth (1/1000000)
In the metric system, the prefix centi- means one one hundredth.
Milli- means 1/1000 Centi- means 1/100 Deci- means 1/10 Deca- means 10/1 Hecto- means 100/1 Kilo- means 1000/1