general level or average: Two cars per family is the norm in most suburban communities.
3.
Education.
a.
a designated standard of average performance of people of a given age, background, etc.
b.
a standard based on the past average performance of a given individual.
4.
Mathematics.
a.
a 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.
b.
the greatest difference between two successive points of a given partition.
Origin: 1815–25; < Latin norma carpenter's square, rule, pattern
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
the offspring of a zebra and a donkey.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
"standard, pattern, model," 1821, from Fr. norme, from 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