SI SYSTEM
\sˈiː sˈɪstəm], \sˈiː sˈɪstəm], \s_ˈiː s_ˈɪ_s_t_ə_m]\
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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)
By Princeton University
