khi

/kaɪ/
noun
  1. The 22nd letter of the Greek alphabet (Χ, χ), often used in mathematics and science to represent a variable or a type of statistical distribution.
    • The symbol khi is used to represent the golden ratio in some contexts.
    • In statistics, the chi-square test uses the Greek letter khi.
    • She wrote the letter khi on the board to show the angle in the triangle.
Synonyms
What does "khi" mean? | whatsthatwordmean | whatsthatwordmean