What does si mean?

Definitions for si

Here are all the possible meanings and translations of the word si.

Princeton's WordNet

  1. 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

  2. Systeme International d'Unites, Systeme International, SI system, SI, SI unit, International System of Units, International System(noun)

    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)

    "Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"

  3. ti, te, si(noun)

    the syllable naming the seventh (subtonic) note of any musical scale in solmization


  1. si(Noun)

    A syllable used in solfège to represent the seventh note of a major scale.

  2. Si(ProperNoun)

    A diminutive of the male given name Simon.

Webster Dictionary

  1. Si

    a syllable applied, in solmization, to the note B; more recently, to the seventh tone of any major diatonic scale. It was added to Guido's scale by Le Maire about the end of the 17th century

  2. Origin: [It.]


  1. si

    .si is the Internet country code top-level domain for Slovenia. It is administered by the ARNES, the Academic and Research Network of Slovenia. In 2010, the registry has hosted 80,000 domain names. In 2012, that number increased to 100,000 .si domain names when the domain zj.si was registered by Jasico d.o.o.

Chambers 20th Century Dictionary

  1. Si

    sē, n. the syllable used for the seventh tone of the scale, or the leading tone.

Editors Contribution

  1. SI

    Abbreviation for the international system of units.

    The International System of Units (French: Système international d'unités abbreviated as SI), is the modern form of the metric system, and is the most widely used system of measurement.

    Submitted by MaryC on February 16, 2017  

Anagrams for si »

  1. is , Is, i's, I's, IS

How to pronounce si?

  1. Alex
    US English

How to say si in sign language?

  1. si


  1. Chaldean Numerology

    The numerical value of si in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of si in Pythagorean Numerology is: 1

Images & Illustrations of si

  1. sisisisisi

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Translations for si

From our Multilingual Translation Dictionary

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