sigma
/หsษชษกmษ/IPA: /S IH1 G M AH0/
noun
- 1
The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth letter of Old and Ancient.
- 2
The symbol ฮฃ, used to indicate summation of a set or series.
- 3
The symbol ฯ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
Translate โsigmaโ into another language
Choose a language below to open the translator with English selected as the source language.