C2 noun #87,016 mais comum

sigma

UK /ˈsɪɡmə/ | US /ˈsɪɡmə/

The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth letter of Old and Ancient.

sigma em 30 segundos

  • (noun) The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth letter of Old and Ancient.
  • (noun) The symbol Σ, used to indicate summation of a set or series.
  • (noun) The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.

Meanings

  1. 1
    noun The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth letter of Old and Ancient.
  2. 2
    noun The symbol Σ, used to indicate summation of a set or series.
  3. 3
    noun The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
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