sigma
The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth…The eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient.
» Everybody wants to be a sigma, but nobody wants to be a delta.
Meaning
4 sensesThe eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient.
Sigma
си́гмаsígma
the 18th letter of the Greek alphabet
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.
(Internet)A sigma male (a self-reliant and assertive male).
Examples
2 sentencesEverybody wants to be a sigma, but nobody wants to be a delta.
Six Sigma is an optimisation of production method developed by Motorola.
deSix Sigma ist eine Methode zur Produktionsoptimierung, die von Motorola entwickelt wurde.
Translations
6 languagesBy meaning 1
By meaning 1
Origin
From Ancient Greek σῖγμα (sîgma), probably from the root σῑγ- (sīg-) as seen in σίζω (sízōFrom Ancient Greek σῖγμα (sîgma), probably from the root σῑγ- (sīg-) as seen in σίζω (sízō, “to hiss”) + -μα (-ma, nominal suffix).
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Forms
plural: sigmas / sigmataWord family
14 related wordsLessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular