norm

noun

• 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.

verb

• adjust (something) to conform to a norm.