(electronics, of a relay) Initialism of normally open.

(Roman Catholicism) Initialism of Novus Ordo.

Alternative form of seek-no-further (“kind of apple”)

(informal) Any hypnotic drug taken to ensure adequate rest before military operations etc.

plural of no-go pill

(Canadian football) A penalty in which the kicking team, on either a kickoff or punt, fails to give the receiver on the receiving team a 5-yard restraining area to catch the ball.

plural of seek-no-farther

(law) The situation where the jury has not found sufficient cause to support the alleged charges.

plural of no-bill

Alternative form of as if there were no tomorrow