What does SI mean in Community?
This page is about the meanings of the acronym/abbreviation/shorthand SI in the field in general and in the Community terminology in particular.
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What does SI mean?
- silicon, Si, atomic number 14(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