SI

Words with a similar base: SI, SI_system, SI_unit

'SI'

[silicon.n.01] as in: 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

'SI'

[systeme_international_d'unites.n.01] as in: 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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Examples:
Today the United States is the only country in the world not totally committed to the Systeme International d'Unites

'SI'

[ti.n.03] as in: the syllable naming the seventh (subtonic) note of any musical scale in solmization