(set theory) A set having a specified total order.

(mathematics) Synonym of well-order

present participle of well-order

(set theory, order theory) A total order of some set such that every nonempty subset contains a least element.

(set theory, order theory, transitive) To impose a well-order on (a set).

(Catholicism) The religious order of friars established by St Francis of Assisi.

plural of order of magnitude

(management) An authorization to expend resources to perform a task.

plural of person of ordinary skill in the art

(US, law) In United States patent law, the hypothetical individual whose likely knowledge determines whether an improvement on existing technology would be obvious, and therefore not patentable.