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What does SI stand for?  Page #10

What does SI mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: SI.

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SI

Systolic Index

Medical » British Medicine

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SI

The international system of units

Academic & Science » Mathematics

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SI

the Spectre of Inflation

Governmental » Economy

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United States Strategic Command Strategic Instruction

Governmental » Military

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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

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    LASER
    A Light Amplification by Stimulated Emission of Radiation
    B Love And Sex Especially Romantic
    C Lightly Annoying Situation Ended by Running
    D Light Amplifying by Stimulated Emission of Radiation

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