sigmas
noun
Meaning
- The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth letter of Old and Ancient.
- The symbol Σ, used to indicate summation of a set or series.
- The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
Etymology / origin
No prose etymology has been added yet.
No ancestor words have been linked yet.
Related words
Descendant words
No descendant words have been linked yet.