norm

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see also: Norm, NORM

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Pronunciation

• (British) IPA: /nɔːm/
• (America) enPR: nôrm, IPA: /nɔɹm/ ^help

Noun

norm (plural norms)

1. That which is normal or typical.

   Unemployment is the norm in this part of the country.

2. A rule that is enforced by members of a community.

   Not eating your children is just one of those societal norms.

3. (philosophy, computer science) A sentence with non-descriptive meaning, such as a command, permission or prohibition.
4. (mathematics) A function, generally denoted v\mapsto\left|v\right| or v\mapsto\left\|v\right\|, that maps vectors to non-negative scalars and has the following properties:
   1. if v\ne0 then \left\|v\right\|\ne0;
   2. given a scalar k, \left\|kv\right\|=\left|k\right|\cdot\left\|v\right\|, where \left|k\right| is the absolute value of k;
   3. given two vectors v,w, \left\|v+w\right\|\le\left\|v\right\|+\left\|w\right\| (the triangle inequality).
5. (chess) A high level of performance in a chess tournament, several of which are required for a player to receive a title.

Related terms

• abnormity
• abnormous
• normal
• normated
• normatic
• normative
• normo-

Translations

• French: norme
• German: Regel, Norm
• Italian: norma
• Portuguese: norma
• Russian: но́рма
• Spanish: norma

Translations

• German: Norm
• Italian: norma
• Portuguese: norma
• Russian: но́рма
• Spanish: norma

Translations

• French: norme
• German: Norm
• Italian: norma

Verb

norm (norms, present participle norming; past and past participle normed)

1. (analysis) To endow (a vector space, etc) with a norm.

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Norm

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Proper noun

1. A male given name

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NORM

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Noun

norm

1. Initialism of naturally occurring radioactive materials
   • 2016, World Nuclear Association

     Radon in homes is one occurrence of NORM which may give rise to concern and action to control it, by ventilation.

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