A formula or algorithm that determines who inherits an office upon the death, resignation, or removal of its current occupant.

(business, marketing) A document that specifies the dates and scope of a media buy. Used in print, online, and broadcast media.

plural of ordinal indicator

A sign adjacent to a numeral denoting that it is an ordinal number, rather than a cardinal number.

To call a place of service and order food, or other goods, delivered to one's own location.

A system of commerce in which one orders goods from a remote store which are then shipped by mail.

(set theory, order theory, of a set) Equipped with a partial order; when the partial order is specified, often construed with by.

(set theory, order theory, loosely) A set that has a given, elsewhere specified partial order. / (set theory, order theory, formally) The ordered pair comprising a set and its partial order.

(set theory, order theory) A binary relation that is reflexive, antisymmetric, and transitive.

(set theory) A partial order.