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Sigma   Listen
noun
Sigma  n.  (pl. sigmas)  The Greek letter sigma, or sigmat (English S, or s). It originally had the form of the English C.






Collaborative International Dictionary of English 0.48








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"Sigma" Quotes from Famous Books



... of course," Neel told him. "Chances are that that will be enough to straighten things out. Since the completion last year of the refining equations of Debir's Postulate, all sigma-110 and ...
— The K-Factor • Harry Harrison (AKA Henry Maxwell Dempsey)

... staff three years later and remained until 1929, when he took the federal position he held until his death. He was a veteran of World War I, having served as an infantry second lieutenant. He was a member of Alpha Zeta Sigma Xi, and Gamma Sigma Delta honor societies and was a life-long member of the Evangelical church, which has since merged ...
— Northern Nut Growers Association Incorporated 39th Annual Report - at Norris, Tenn. September 13-15 1948 • Various

... colon, the transverse colon, the descending colon, and the sigmoid flexure, or sigmoid colon. The first three divisions are named from the direction of the movement of materials through them and the last from its shape, which is similar to that of the Greek letter sigma ({GREEK CAPITAL LETTER SIGMA}). ...
— Physiology and Hygiene for Secondary Schools • Francis M. Walters, A.M.



Words linked to "Sigma" :   letter, alphabetic character, Greek alphabet



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