sigma

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sigma

1. the 18th letter in the Greek alphabet (Σ, σ or, when final, ς), a consonant, transliterated as S

2. Maths the symbol Σ, indicating summation of the numbers or quantities indicated

sigma [′sig·mə]

(invertebrate zoology)

A C-shaped spicule.

portico

1. A covered entrance whose roof is supported by a series of columns or piers, commonly placed at the front entrance to a building.

2. A stoa.

SIGMA - A scientific visual programming environment from NASA.

http://fi-www.arc.nasa.gov/fia/projects/sigma/.

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No references found			The Sigma Pi fraternity is the lead sponsor of the annual Sleep Out for the Homeless. College Town by Telegram & Gazette (Worcester, MA) THE SIX SIGMA BLACK BELTS ARE BACK Here's one more reason why the world may face a jobless recovery: Six Sigma. THE SIX SIGMA BLACK BELTS ARE BACK by Brian Burnsed and Emily Thornton / BusinessWeek You need to understand six sigma in order to train properly. Making a Decision on Six Sigma by Julie Johnson / Advertising, marketing, public relations community			sighting system sighting tube Sights and Sighting Mechanisms sightscreen SIGhyper Sigillaria Sigillariaceae SIGINT Sigiriya Sigismond Thalberg Sigismund Sigismund Augustus Sigismund I Sigismund II Sigismund II Augustus Sigismund III Sigismund III Vasa Sigizmund Aleksandrovich Levanevskii Sigizmund Grigorevich Voislav Sigizmund Levanevskii Sigizmund Natanovich Valk Sigizmund Valk Sigizmund Voislav SIGLA Siglufjörður sigma sigma algebra Sigma and Pi Bonds sigma bond sigma factor sigma field sigma finite sigma function Sigma Functions sigma hyperon sigma phase sigma pile sigma ring sigma-delta analog-to-digital converter sigma-delta converter sigma-delta digital-to-analog converter sigma-delta modulator sigma-minus hyperonic atom sigma-T sigmaspire sigmatron sigmatropic shift sigmoid sigmoid colon sigmoid distortion sigmoidal dune			Sigismundus II Augustus SIGIST SIGITE Sigizmund Aleksandrovich Levanevskii Sigizmund Grigorevich Voislav Sigizmund Levanevskii Sigizmund Natanovich Valk Sigizmund Valk Sigizmund Voislav SIGKDD SIGL Sigla Sigla SIGLAYA Sigle Sigle Sigle SIGLEC SIGLEX SIGLINK Siglo Ng Paglaya siglos Siglufjordhur Siglufjordur Siglufjörður Siglum Siglum sIgM sigma Sigma (letter) Sigma (letter) Sigma (letter) Sigma 70 Sigma 70 Sigma 70 Sigma additivity Sigma aldrich Sigma Aldrich Fine Chemicals Sigma Aldrich Library of Rare Chemcals Sigma algebra Sigma Alpha Sigma Alpha Epsilon Sigma Alpha Iota Sigma Alpha Mu Sigma and Pi Bonds sigma baryon Sigma Beta Delta Sigma Beta Xi Sorority, Inc. Sigma bond Sigma bonds Sigma Breakthrough Technologies, Inc. Sigma Cholera Toxin B Subunit Sigma Delta Alpha Sigma Delta Chi Sigma Delta Phi Sorority Sigma Delta Tau Sigma electron

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