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si

[see] /si/
noun, Music.
1.
the syllable used for the seventh tone of a scale and sometimes for the tone B.
Origin
1720-1730
1720-30; see gamut

Si

Symbol, Chemistry
1.

S.I.

1.
Sandwich Islands.
2.
Staten Island.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for si

si1

/siː/
noun
1.
(music) a variant of te

si2

abbreviation
1.
Slovenia

Si1

/ʃiː/
noun
1.
a variant transliteration of the Chinese name for the Xi

Si2

Chemical symbol
1.
silicon

SI

symbol
1.
Système International (d'Unités) See SI unit
abbreviation
2.
(NZ) South Island

Xi

/ʃiː/
noun
1.
a river in S China, rising in Yunnan province and flowing east to the Canton delta on the South China Sea: the main river system of S China. Length: about 1900 km (1200 miles)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for si

"yes" in Italian, Spanish, Portuguese; from Latin sic "so" (see sic).

Online Etymology Dictionary, © 2010 Douglas Harper
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si in Medicine

Si
The symbol for the element silicon.

SI abbr.
Système International (d'Unités) (International System of Units)

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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si in Science
Si  
The symbol for silicon.
silicon
  (sĭl'ĭ-kŏn')   
Symbol Si
A metalloid element that occurs in both gray crystalline and brown noncrystalline forms. It is the second most abundant element in the Earth's crust and can be found only in silica and silicates. Silicon is used in glass, semiconductors, concrete, and ceramics. Atomic number 14; atomic weight 28.086; melting point 1,410°C; boiling point 2,355°C; specific gravity 2.33; valence 4. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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si in Technology

1. Système International.
2. Shift In.

networking
The country code for Slovenia.
(1999-01-27)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Related Abbreviations for si

si

Sinhalese

sI

6-mercaptopurine ribonucleoside

Si

  1. silicon
  2. Wisdom of Jesus, the Son of Sirach

SI

  1. sacroiliac joint
  2. secondary infertility
  3. Smithsonian Institution
  4. French Système International [d'Unités] (International System [of Units])
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Value for si

2
2
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