Meaning of VARIANCE in English

VARIANCE

■ noun

1》 (usu. in phr. at ~ with ) the fact or quality of being different or inconsistent.

↘the state of disagreeing or quarrelling.

↘ chiefly Law a discrepancy between two statements or documents.

2》 US Law an official dispensation from a rule or regulation.

3》 Statistics a quantity equal to the square of the standard deviation.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.