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How to Pronounce "sigma"

word

ˈsɪɡmə
SIG-muh
sˈɪɡmɐ
SIG-muh

Definition

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 Transcription

American English

ˈsɪɡmə

British English

sˈɪɡmɐ

Simplified Pronunciation

US

SIG-muh

UK

SIG-muh

Listen in Context

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.