Dictionary Check: si
"si" is a valid word!
Scrabble
2
points
Words with Friends
2
points
Definition
noun
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)
Example:
"Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"
noun
a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
noun
the syllable naming the seventh (subtonic) note of any musical scale in solmization
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