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nouna 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
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nouna 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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nounthe syllable naming the seventh (subtonic) note of any musical scale in solmizationtype of:
Definition that contains si
- big significant
- place sing a note with the correct pitch
- sit sit and travel on the back of animal, usually while controlling its motions
- set situated in a particular spot or position
- rest sit, as on a branch
- dear sincerely earnest
- bed single thickness of usually some homogeneous substance
- light silly or trivial
- top situated at the top or highest position
- ride sit on and control a vehicle