sigma
About 2.34 uses per million words.
Meaning
- noun The eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient.
- noun The symbol Σ, used to indicate summation of a set or series.
- noun The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
- noun A sigma male (a self-reliant and assertive male).
- adjective Possessing characteristics of a sigma male.
Similar words
ess fire aldrich addition sum summation total aggregate accumulation summing
Often followed by
alpha nu xi chemical phi delta chi theta gamma
Word family
sigmas
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