ball-valve
51Double-beat valve — Valve Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair… …
52Equilibrium valve — Valve Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair… …
53valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure …
54valve — n. device that permits flow 1) to grind valves 2) a ball; butterfly; check; exhaust; gate; globe; needle; safety; shunt; suction valve membranous fold that permits body fluids to flow in one direction (anat.) 3) a heart valve (the patient has a… …
55ball cock — a device for regulating the supply of water in a tank, cistern, or the like, consisting essentially of a valve connected to a hollow floating ball which by its rise or fall shuts or opens the valve. Also, ballcock. [1780 90] * * * …
56ball-cock — automatic valve consisting of a hollow floating ball which by its rising and falling shuts and opens the valve …
57Ball cock — Cock Cock (k[o^]k), n. [AS. coc; of unknown origin, perh. in imitation of the cry of the cock. Cf. {Chicken}.] 1. The male of birds, particularly of gallinaceous or domestic fowls. [1913 Webster] 2. A vane in the shape of a cock; a weathercock.… …
58ball-and-cage valve — a form of mechanical prosthesis commonly used in the past for replacing damaged heart valves. Currently, most mechanical valve replacements are of the tilting disc variety …
59valve tappet — An adjusting screw to obtain the specified clearance at the end of the valve stem (tappet clearance). The screw may be in the top of the lifter, in the rocker arm, or in the case of the ball joint rocker arm, the nut on the mounting stud acts in… …
60ball cock — noun Date: 1790 an automatic valve whose opening and closing are controlled by a hollow float at the end of a lever …