(tennis) The awarding of a point for a player's opponent, as a result of infringement of the rules, e.g. foul language or time violation

(inorganic chemistry) Any oxyanion of plutonium; any salt containing such an anion

Back in its adverbial senses. / Situated, located, or toward the rear; backward or in reverse; in return; again. / (UK, obsolete) False; pseudo-.

electrical power