Plug valve — Plug valves [American Petroleum Institute Standards: API 6D Pipeline Valves ; API STD 599 Metal Plug Valves ] are valves with cylindrical or conically tapered plugs which can be rotated inside the valve body to control flow through the valve. The … Wikipedia
plug valve — noun : a valve or cock opened or closed by the turning of a usually conical plug … Useful english dictionary
Plug — Plug, n. [Akin to D. plug, G. pflock, Dan. pl[ o]k, plug, Sw. plugg; cf. W. ploc.] 1. Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple. [1913 Webster] 2. A flat oblong cake of pressed tobacco. [U. S.] [1913… … The Collaborative International Dictionary of English
Plug and feather — Plug Plug, n. [Akin to D. plug, G. pflock, Dan. pl[ o]k, plug, Sw. plugg; cf. W. ploc.] 1. Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple. [1913 Webster] 2. A flat oblong cake of pressed tobacco. [U. S.] [1913 … The Collaborative International Dictionary of English
Plug centerbit — Plug Plug, n. [Akin to D. plug, G. pflock, Dan. pl[ o]k, plug, Sw. plugg; cf. W. ploc.] 1. Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple. [1913 Webster] 2. A flat oblong cake of pressed tobacco. [U. S.] [1913 … The Collaborative International Dictionary of English
Plug rod — Plug Plug, n. [Akin to D. plug, G. pflock, Dan. pl[ o]k, plug, Sw. plugg; cf. W. ploc.] 1. Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple. [1913 Webster] 2. A flat oblong cake of pressed tobacco. [U. S.] [1913 … The Collaborative International Dictionary of English
Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… … Wikipedia
valve — valveless, adj. valvelike, adj. /valv/, n., v., valved, valving. n. 1. any device for halting or controlling the flow of a liquid, gas, or other material through a passage, pipe, inlet, outlet, etc. 2. a hinged lid or other movable part that… … Universalium
valve — [valv] n. [ME, a door leaf < L valva, leaf of a folding door, akin to volvere, to roll: see WALK; VALVE senses 3, 4, 8 < ModL valva < L] 1. Archaic either of the halves of a double door or any of the leaves of a folding door 2. a gate… … English World dictionary
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 Repassed … The Collaborative International Dictionary of English