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Merriam-Webster's Collegiate Dictionarynorm \ˈnȯrm\ noun ETYMOLOGY Latin norma, literally, carpenter's square DATE 16741. an authoritative standard : model2. a principle of right action binding upon the members of a group and serving to guide, control, or regulate proper and acceptable behavior3. average: as a. a set standard of development or achievement usually derived from the average or median achievement of a large group b. a pattern or trait taken to be typical in the behavior of a social group c. a widespread or usual practice, procedure, or custom : rule standing ovations became the norm4. a. a real-valued nonnegative function defined on a vector space with value analagous to length and satisfying the conditions that the function is zero if and only if the vector 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 or of the components of a vector b. the greatest distance between two successive points of a set of points that partition an interval into smaller intervalsSynonyms: see averageEnglish Etymologynorm "standard, pattern, model," 1821, from Fr. norme, from O.Frhttp://O.Fr., from L. norma "carpenter's square, rule, pattern," of unknown origin. Klein suggests a borrowing (via Etruscan) of Gk. gnomon"carpenter's square." The L. form of the word, norma, was used in Eng. in the sense of "carpenter's square" from 1676.Oxford Advanced Learner's Dictionary-牛津双解-OALD7normnorm / nC:m; NAmE nC:rm / noun1. (often the norm) [sing.] a situation or a pattern of behaviour that is usual or expected 常态；正常行为 SYN rule : a departure from the norm 一反常态 Older parents seem to be the norm rather than the exception nowadays. 高龄父母健在,在今天似乎成了常事,而不是个例。 2. norms [pl.] standards of behaviour that are typical of or accepted within a particular group or society 规范；行为标准: social / cultural norms 社会/文化规范 3. [C] a required or agreed standard, amount, etc. 标准；定额；定量: detailed education norms for children of particular ages 针对具体年龄儿童的详细教育标准 Oxford Collocations Dictionary for Students of EnglishOxford Collocations dictionary for students of Englishnorm noun ADJ. accepted, established | ethical, moral | cultural, social | statistical | community, family, group VERB + NORM conform to Their behaviour conforms to the group norm. | break, challenge | deviate from, differ from PREP. above the ~, below the ~, over the ~ They want to discourage pay settlements over the norm. | ~ for On-screen editing has become the norm for all student work. | ~ of accepted norms of behaviour PHRASES a deviation/departure from the norm, an exception to the norm, the norm rather than the exception In the inner-city areas, poverty is the norm rather than the exception. OLTnorm noun⇨ criterion (below international norms)⇨ tradition (the values and norms of society)Webster's Third New International Dictionary, UnabridgedSearch result show the entry is found in: norm- , or age normnormI. \ˈnȯ(ə)rm, ˈnȯ(ə)m\ noun(-s)Etymology: Latin norma carpenter's square, pattern, rule1. : an authoritative rule or standard : model, type, pattern; specifically : a hypothetical mineral composition of a rock calculated according to certain definite rules and usually differing widely from the actual mineral composition or mode2. : a standard of conduct or ethical value : a principle of right action : maxim; especially : an imperative statement asserting or denying that something ought to be done or has value < norms or ideals or values that are not held, that don't become peoples' interests, will be peculiarly valueless, no matter what inherent validity they may possess — Lucius Garvin >3. : an ideal standard binding upon the members of a group and serving to guide, control, or regulate proper and acceptable behavior < no society lacks norms governing conduct — R.K.Merton >4. : average < $10,000 per annum is the norm in this community >as a. : a set standard of development or achievement usually derived from the average or median achievement of a large group < these students … scored above the national norms for teachers college graduates — Education Digest > specifically : a production quota set for a worker b. : the average score of a specified class of persons on a specified test < grade norm > < age norm > c. : a pattern or trait taken or estimated to be typical in the behavior of a social group because most frequently observed < studies aimed at establishing the norms of sexual behavior among the middle classes >Synonyms: see averageII. noun1. : a real-valued nonnegative function defined on a vector space and satisfying the conditions that the function is zero if and only if the vector 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 that 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 or of the components of a vector2. : the greatest distance between two successive points of a set of points that partition an interval into smaller intervals3. : a widespread or usual practice, procedure, or custom

Norm A Function Group Vector Sum Behavior Set