1 (the norm) something that is usual, typical, or standard:strikes were the norm
(usually norms) a standard or pattern, especially of social behaviour, that is typical or expected:the norms of good behaviour in the Civil Service
a required standard; a level to be complied with or reached:the 7 per cent pay norm had been breached again
2 Mathematics the product of a complex number and its conjugate, equal to the sum of the squares of its real and imaginary components, or the positive square root of this sum.
an analogous quantity used to represent the magnitude of a vector.
