Vocab Bloom Hub

sigma

/ˈsɪɡ.mə/

1 entry

noun

/ˈsɪɡ.mə/C1formal
  • ruСуществительное, обозначающее 18-ю букву греческого алфавита.

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

  1. Greek letterB1formal

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

    ruСигма

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