• Norm

    Pronunciation

    • UK IPA: /nɔːm/
    • US
    • Rhymes: -ɔː(r)m

    Origin 1

    From Latin norma ("a carpenter's square, a rule, a pattern, a precept").

    Full definition of norm

    Noun

    norm

    (plural norms)
    1. (usually definite, the norm) That which is regarded as normal or typical.Unemployment is the norm in this part of the country.
      • 2011, December 16, Denis Campbell, Hospital staff 'lack skills to cope with dementia patients', "This shocking report proves once again that we urgently need a radical shake-up of hospital care," said Jeremy Hughes, chief executive of the Alzheimer's Society. "Given that people with dementia occupy a quarter of hospital beds and that many leave in worse health than when they were admitted, it is unacceptable that training in dementia care is not the norm."
    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
      1. given a scalar k, \left\|kv\right\|=\left|k\right|\cdot\left\|v\right\|, where \left|k\right| is the absolute value of
    k
      1. given two vectors v,w, \left\|v+w\right\|\le\left\|v\right\|+\left\|w\right\| (the triangle inequality).
    1. (chess) A high level of performance in a chess tournament, several of which are required for a player to receive a title.

    Origin 2

    Back-formation from {{3}}

    Verb

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

    Derived terms

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