"sigma" 怎么发音

word

US

ˈsɪɡmə

SIG-muh

UK

sˈɪɡmɐ

SIG-muh

释义

Sigma is the Greek letter Σ or σ. In English, it's often used in mathematics and science to represent summation or the standard deviation in statistics.

IPA 音标

美式英语

ˈsɪɡmə

英式英语

sˈɪɡmɐ

简化发音

美式

SIG-muh

英式

SIG-muh

语境中听

The symbol sigma means 'sum' in mathematics.

Lowercase sigma stands for standard deviation in statistics.

Greek uses sigma as one of its letters.

We learned how to use uppercase sigma for adding a series of numbers.