a nonreturn valve in a pump suction to prevent the pump draining or depriming when not in service Also called foot valve
adjective 1. adapted for sucking or suction, as an organ; functioning as a sucker for imbibing or adhering. 2. having sucking organs; imbibing or adhering by suckers. 3. pertaining to or characterized by suction. adjective 1. specialized for sucking or adhering: the suctorial mouthparts of certain insects 2. relating to or possessing suckers or suction […]
noun 1. a suctorial animal. 2. a protozoan of the class or order Suctoria, which live, as adults, attached by a stalk to the substrate and feed by means of long, suctorial tentacles. adjective 3. belonging or pertaining to the Suctoria.
abbreviation 1. Sudan (international car registration) SUD Sudan (international vehicle ID)
Pharmacology, Trademark. 1. a brand of pseudoephedrine.