sigma

Meaning

Noun

1. The eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient.
2. The symbol Σ, used to indicate summation of a set or series.
3. The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
4. (Internet) A sigma male (a self-reliant and assertive male).

Adj

Possessing characteristics of a sigma male.

Synonyms

σ

Translations

σίγμα

sigma

sigma

sigma

sigma

sigma

Sigma

sigma

سِيغْمَا

سيغما

Σ

سيجما - الحرف الثّامن عشر للأبجدية اليونانيّة

Pronounced as (IPA)

/ˈsɪɡmə/

Etymology

From Ancient Greek σῖγμα (sîgma), σίγμα (sígma), probably from the root sig- as seen in σίζω (sízō) (< sig-yo "to hiss") + -μα (-ma).