Sigma

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sigma \Sig"ma\, n.; pl. {Sigmas}. [L., from Gr. ???, ???.]
     The Greek letter [Sigma], [sigma], or [sigmat] (English S, or
     s). It originally had the form of the English C.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  sigma
       n : the 18th letter of the Greek alphabet

From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]:

  SIGMA
       Software Industrialized Generator and Maintenance Aids system (MITI)
       
       

From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:

  SIGMA
       
          A scientific {visual programming} environment from NASA.
       
          {(http://fi-www.arc.nasa.gov/fia/projects/sigma/)}.