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si system
 
Noun si system has 1 sense
  1. Systeme International d'Unites, Systeme International, SI system, SI, International System of Units, International System - a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela); "Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"
    --1 is a kind of metric system
shyness shyp shyri shyst shyster si si mi si senor si system sia sial sialadenitis sialia sialid sialidae sialis sialis lutaria

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