English Dictionary: Sigmas | by the DICT Development Group |
1 result for Sigmas | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
d8Sigma \[d8]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. |