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# sigma

**Noun**

**sigma**

- The name for the eighteenth letter of the Classical and Modern Greek, the nineteenth letter of Old and Ancient.
*(mathematics):*the symbol (**Î£**) is used to indicate summation of a set or series.*(statistics):*the symbol (**Ïƒ**) is used to indicate one standard deviation from the mean, particularly in a normal distribution.

**5** letters in word "sigma": ** A G I M S**.

**Anagrams of sigma:**

**Words found within sigma:**

ag ags ai aim aims ais am ami amis as gam gams gas gi gis gism is ism ma mag magi mags mas mi mig migs mis sag sai saim sam si sim sima sma