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σ (EN)
burts, simbols

burts “σ”

σ, sigma
  1. astoņpadsmitais grieķu alfabēta burts, mazais sigma
    In Greek language classes, students learn that σ is the lowercase form of sigma.

simbols “σ”

σ
  1. (matēmatika) simbols, kas apzīmē standartnovirzi statistikā
    The statistician calculated σ to understand how the data varied from the mean.
  2. (fizikā) simbols, kas apzīmē elektrisko vadītspēju
    The electrical conductivity σ increases with temperature in this material.
  3. (fizikā) simbols, kas apzīmē šķērsgriezuma laukumu
    The scattering cross-section σ is crucial in nuclear physics experiments.