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- proper n. The standard set of basic units of measurement, to be used in scientific literature worldwide.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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)
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