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sigma

/ˈsɪɡ.mə/

Tradução: Substantivo que designa a décima oitava letra do alfabeto grego (Σ, σ, ς).

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noun

C1formalcommon/ˈsɪɡ.mə/

A noun referring to the 18th letter of the Greek alphabet.

  • 🇵🇹Substantivo que designa a décima oitava letra do alfabeto grego (Σ, σ, ς).
  1. Greek letter B1 formal

    The 18th letter of the Greek alphabet, often used in mathematics and science.

    • The symbol sigma is used to denote summation in mathematics.
    • In statistics, sigma represents the standard deviation.
    • The Greek letter sigma looks like a capital E in its uppercase form.

    🇵🇹Sigma

  • sigmas plural form
  • sigmas' possessive plural form
  • sigma's possessive singular form