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Sigma

//ˈsɪɡmə// adj, name, noun, slang

Adjective

Proper Noun

Noun

1
The eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient.
"Their names, which are expressive of some bodily or mental excellence, all end with the same letter---the letter which is called San by the Dorians, and Sigma by the Ionians."
2
the 18th letter of the Greek alphabet wordnet
3
The symbol Σ, used to indicate summation of a set or series.
4
The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
"2011, Paul Rincon, (bbc.co.uk) LHC: Higgs boson 'may have been glimpsed' None of the spikes seen by the experiments is at much more than the "two sigma" level of certainty. A level of "five sigma" is required to claim a discovery, meaning there is less than a one in a million chance the data spike is down to a statistical fluke."
5
A sigma male (a self-reliant and assertive male). Internet

Slang

1
A meme label for someone seen as independent, stoic, or unfazed. slang, gen-alpha, 2020s
"He did the project solo and called it sigma mode."

Etymology 1

From Ancient Greek σῖγμα (sîgma), probably from the root σῑγ- (sīg-) as seen in σίζω (sízō, “to hiss”) + -μα (-ma, nominal suffix).

Etymology 2

From Ancient Greek σῖγμα (sîgma), probably from the root σῑγ- (sīg-) as seen in σίζω (sízō, “to hiss”) + -μα (-ma, nominal suffix).

Unscramble this word: sigma