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Definition of norm
1 : an authoritative standard : model
2 : a principle of right action binding upon the members of a group and serving to guide, control, or regulate proper and acceptable behavior No society lacks norms governing conduct. — Robert K. Merton
3 : average: such asa : a set standard of development or achievement usually derived from the average or median achievement of a large groupb : a pattern or trait taken to be typical in the behavior of a social group studies aimed at establishing the norms of sexual behavior among the middle classesc : a widespread or usual practice, procedure, or custom standing ovations became the norm Bilingualism is the norm in many countries.
4a : a realvalued nonnegative function defined on a vector space with value analogous to length and satisfying the conditions that the function is zero if and only if the vector (see ^{1}vector 1a) is zero, the function of the product of a scalar and a vector is equal to the product of the absolute value of the scalar and the function of the vector, and the function of the sum of two vectors is less than or equal to the sum of the functions of the two vectors; specifically : the square root of the sum of the squares of the absolute values of the elements of a matrix (see matrix 5a) or of the components of a vectorb : the greatest distance between two successive points of a set of points that partition an interval (see interval 2a) into smaller intervals
Examples of norm in a Sentence
She scored well above the norm in math.
Smaller families have become the norm.
Women used to stay at home to take care of the children, but that's no longer the norm.
Recent Examples of norm from the Web

The reading will be followed by a postshow discussion, with a panel that includes former Seattle chief of police Norm Stamper, who’s now become an advocate of police demilitarization.

Games like Monday’s were supposed to be the norm when the Mets and Nationals got together in 2017.

Horizon has said its reserves are within industry norms and are only enough to cover 75 days’ worth of claims for its members.

The U.S. economy has settled into a new norm with the sloppiness coming out of Washington, both nationally and internationally.

From Yves Saint Laurent popularizing the trouser for women with his Le Smoking to Keith Richards upending menswear norms by pilfering from girlfriend Anita Pallenberg's closet, fashion during the end of the '60s was more revolution than evolution.

But for a generation of women who care so deeply about health and wellness, should PMS really be considered the norm?

Discrimination based on preexisting conditions could become the norm again.

To move things along and adjust a norm where imperfections are way undercelebrated, Ashley directed a lingerie shoot for Glamour wearing nothing besides her bra and underwear.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'norm'. Views expressed in the examples do not represent the opinion of MerriamWebster or its editors. Send us feedback.
Origin and Etymology of norm
borrowed from Latin norma “carpenter's square, pattern,” probably borrowed from an Etruscan adaptation of Greek gnṓmōn “carpenter's square, indicator on a sundial” — more at gnomon
Synonym Discussion of norm
NORM Defined for English Language Learners
norm
playDefinition of norm for English Language Learners

norms : standards of proper or acceptable behavior

the norm : an average level of development or achievement

the norm : something (such as a behavior or way of doing something) that is usual or expected
NORM Defined for Kids
Medical Dictionary
norm
playMedical Definition of norm
: an established standard or average: asa: a set standard of development or achievement usually derived from the average or median achievement of a large groupb: a pattern or trait taken to be typical in the behavior of a social group
Learn More about norm

See words that rhyme with norm Thesaurus: All synonyms and antonyms for norm Spanish Central: Translation of norm Nglish: Translation of norm for Spanish speakers Britannica English: Translation of norm for Arabic speakers Britannica.com: Encyclopedia article about norm
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