sigma — meaning in English
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English meaning
- sigma noun The eighteenth letter of the Greek alphabet (Σ, σ).
Senses
sigma is used for these senses in English:
- sigma The eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient.
sigma — full definition
- noun The eighteenth letter of the Greek alphabet (Σ, σ).
- noun In statistics, the symbol used to represent standard deviation from a mean.
- noun Slang for a self-reliant, emotionally detached man who operates outside conventional social hierarchies (a "sigma male").