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a. A pattern that is regarded as typical of something: a neighborhood where families with two wage-earners are the norm.
b. A standard or expectation that is established for a given enterprise or effort: journalistic norms.
c. A pattern of behavior considered acceptable or proper by a social group: violated the norms of his community.
2. Mathematics
a. An average.
b. The magnitude of a vector.
c. The modulus of a complex number.
tr.v. normed, norm·ing, norms
1. To establish or judge in reference to a norm: normed the test on the basis of last year's results.
2. Mathematics To define a norm on (a space).

[French norme, from Old French, from Latin norma, carpenter's square, norm; see gnō- in Indo-European roots.]


Social norms are standards of behavior or ideas which are common to a group. Conforming to social norms increases a group’s identity.
References in classic literature ?
The first project was, to shorten discourse, by cutting polysyllables into one, and leaving out verbs and participles, because, in reality, all things imaginable are but norms.
The stranger had sojourned in many more lands and among many more peoples than Angel; to his cosmopolitan mind such deviations from the social norm, so immense to domesticity, were no more than are the irregularities of vale and mountain-chain to the whole terrestrial curve.
Norm --Roger de Conde asks permission of no man to do what he would do.
James Forsyth and Billy Pope's article "Structural Causes and Cyber Effects: Why International Order is Inevitable in Cyberspace" in the Winter 2014 edition of Strategic Studies Quarterly addresses a critical question regarding the unfolding age of cyber conflict: will constraining international norms for cyberwarfare emerge and thrive?
Epistemic Norms and the "Epistemic Game" They Regulate: The Basic Structured Epistemic Costs and Benefits, DAVID HENDERSON and PETER GRAHAM
Over the past decade, the United States has participated in a variety of activities intended to shape international norms for outer space activities.
New Delhi [India], June 20 ( ANI ): Sixty three signatories from civil society organisations, medical professionals and concerned citizens all over India have written to the Minister of Environment Forest and Climate Change, urging implementation of new norms for emission standards and water use of the coal fired thermal power plants.
Keywords: social norms, theory of planned behavior, theory of reasoned action, content analysis, theory building
Instead, the study seeks to apply norms theory-a theoretical approach useful to both hard and soft sciences--to war, a not-at-all scientific historical phenomenon whose most common norm seems to be expediency.
solely to relationships in private law, where fiduciary norms originate)
But unlike other norms with similar attributes, it is widely recognized that sustainable development has had only lackluster performance in many areas.
UNION heavy industries minister Anant Geete said on Thursday that German auto giant Volkswagen ( VW) does not comply with the country's emission norms and the government plans to take further action on the issue after getting a written reply from the company.