# norm

[ nawrm ]

/ nɔrm /

### noun

a standard, model, or pattern.

general level or average: Two cars per family is the norm in most suburban communities.

Education.

- a designated standard of average performance of people of a given age, background, etc.
- a standard based on the past average performance of a given individual.

Mathematics.

- a real-valued, nonnegative function whose domain is a vector space, with properties such that the function of a vector is zero only when the vector is zero, the function of a scalar times a vector is equal to the absolute value of the scalar times the function of the vector, and the function of the sum of two vectors is less than or equal to the sum of the functional values of each vector. The norm of a real number is its absolute value.
- the greatest difference between two successive points of a given partition.

## RELATED CONTENT

## Nearby words

norite, noritic, nork, norland, norleucine, norm, norm., norma, normal, normal antibody, normal antitoxin

## Origin of norm

First recorded in 1815–25, norm is from the Latin word norma carpenter's square, rule, pattern

Related formsnorm·less, adjective

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for norms

## British Dictionary definitions for norms (1 of 2)

## norm

/ (nɔːm) /

### noun

an average level of achievement or performance, as of a group or person

a standard of achievement or behaviour that is required, desired, or designated as normal

sociol an established standard of behaviour shared by members of a social group to which each member is expected to conform

maths

- the length of a vector expressed as the square root of the sum of the square of its components
- another name for mode (def. 6)

geology the theoretical standard mineral composition of an igneous rock

## Word Origin for norm

C19: from Latin norma carpenter's rule, square

## British Dictionary definitions for norms (2 of 2)

## Norm

/ (nɔːm) /

### noun

a stereotype of the unathletic Australian male

## Word Origin for Norm

from a cartoon figure in the government-sponsored Life, Be In It campaign

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for norms

## norm

"standard, pattern, model," 1821, from French norme, from Latin norma "carpenter's square, rule, pattern," of unknown origin. Klein suggests a borrowing (via Etruscan) of Greek gnomon "carpenter's square." The Latin form of the word, norma, was used in English in the sense of "carpenter's square" from 1670s.

Online Etymology Dictionary, © 2010 Douglas Harper