plural of advance directive

plural of airworthiness directive

(grammar) A verb that agrees in person and number with the subject of a clause, by conjugation. Conjugation is a form of inflection.

(grammar, in languages without cases) The noun or noun phrase that a verb is directly acting upon.

Misspelling of unidirectional.

(travel) A flight in which the passenger makes intermediate stops but does not change aircraft. / (ornithology) A flight where the bird's altitude does not change significantly with each wingbeat.

(physics) An electric current that always flows in the same direction but may differ in intensity over time. / (physics) A constant electric current.

(graph theory) An edge of a directed graph.

(graph theory) A graph in which the edges are ordered pairs, so that, if the edge (a, b) is in the graph, the edge (b, a) need not be in the graph and is distinct from (a, b) if it is.

Of a motion picture, originally released in a home video format (historically VHS) without being released to cinemas or broadcast on television.