| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024norm /nɔrm/USA pronunciation n. [countable]- Sociologya standard, model, or pattern, esp. a rule or standard of behavior that is considered normal in society.
- the expected or usual number, level, amount, or average:For many students it is no longer the norm to finish college in four years.
See -norm-.-norm-, root. - -norm- comes from Latin, where it has the meaning "a carpenter's square;
a rule or pattern.'' This meaning is found in such words as: abnormal, enormity, enormous, norm, normal, normalcy, normalize, subnormal.
WordReference Random House Unabridged Dictionary of American English © 2024norm (nôrm),USA pronunciation n. - Sociologya standard, model, or pattern.
- general level or average:Two cars per family is the norm in most suburban communities.
- Education
- a designated standard of average performance of people of a given age, background, etc.
- a standard based on the past average performance of a given individual.
- Mathematics
- Mathematicsa real-valued, nonnegative function whose domain is a vector space, with properties such that the function of a vector is zero only when the vector is zero, the function of a scalar times a vector is equal to the absolute value of the scalar times the function of the vector, and the function of the sum of two vectors is less than or equal to the sum of the functional values of each vector. The norm of a real number is its absolute value.
- the greatest difference between two successive points of a given partition.
- Latin norma carpenter's square, rule, pattern
- 1815–25
- Norman.
Collins Concise English Dictionary © HarperCollins Publishers:: norm /nɔːm/ n - an average level of achievement or performance, as of a group or person
- a standard of achievement or behaviour that is required, desired, or designated as normal
Etymology: 19th Century: from Latin norma carpenter's rule, square |