NORM


Meaning of NORM in English

■ noun

1》 the usual, typical, or standard thing.

↘a required or acceptable standard: the ~s of good behaviour.

2》 Mathematics the sum of the squares of the real and imaginary components of a complex number, or the positive square root of this sum.

Origin

C19: from L. ~a 'precept, rule, carpenter's square'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.