Word Information

Si

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Definitions for Si

noun
a tetravalent nonmetallic element
Synonyms
silicon atomic number 14
Examples
  1. next to oxygen it is the most abundant element in the earth's crust
  2. occurs in clay and feldspar and granite and quartz and sand
  3. used as a semiconductor in transistors
noun
a complete metric system of units of measurement for scientists
Synonyms
Systeme International d'Unites Systeme International SI system SI unit International System of Units International System
Examples
  1. 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)
  2. Today the United States is the only country in the world not totally committed to the Systeme International d'Unites
noun
the syllable naming the seventh (subtonic) note of any musical scale in solmization
Synonyms
ti te

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