valve in head
71Game Head — Infobox television show name = Game Head caption = Game Head 2005 2007 logo format = video game journalism runtime = 30 minutes starring = Geoff Keighley, Amanda MacKay (2007 08), Daniel Kayser (2007 08) country = USA network = Spike TV first… …
72Air valve — Air Air ([^a]r), n. [OE. air, eir, F. air, L. a[ e]r, fr. Gr. ah r, air, mist, for a[digamma]hr, fr. root a[digamma] to blow, breathe, probably akin to E. wind. In sense 10 the French has taking a meaning fr. It. aria atmosphere, air, fr. the… …
73Piston valve — Piston Pis ton, n. [F. piston; cf. It. pistone piston, also pestone a large pestle; all fr. L. pinsere, pistum, to pound, to stamp. See {Pestle}, {Pistil}.] (Mach.) A sliding piece which either is moved by, or moves against, fluid pressure. It… …
74poppet valve — A valve structure consisting of a circular head with an elongated stem attached in the center, very much like the shape of a mushroom with a flat top. It is designed to open and close a circular hole or port. Its name comes from the fact that it… …
75sluice valve — noun regulator consisting of a valve or gate that controls the rate of water flow through a sluice • Syn: ↑sluicegate, ↑floodgate, ↑penstock, ↑head gate, ↑water gate • Hypernyms: ↑regulator • Pa …
76cylinder head — The detachable metal (aluminum or iron) plate or cap that is bolted to the top of the cylinder block. It is used to cover the tops of the cylinders, in many cases the cylinder head contains the valves, it also forms part of the combustion chamber …
77Beare Head — The Beare Head engine internal combustion engine technology combines a four stroke engine bottom end with a ported cylinder head closely resembling that of a two stroke, thus 4+2= six stroke. The head piston is smaller and has half the speed of… …
78T-head — [1] A type of cylinder head in a side valve engine where the valves are either adjacent and parallel or installed on opposite sides of the piston in a configuration resembling a T . [2] A type of screw or bolt head shaped like a T . See T head… …
79Frost valve — Frost Frost (fr[o^]st; 115), n. [OE. frost, forst, AS. forst, frost. fr. fre[ o]san to freeze; akin to D. varst, G., OHG., Icel., Dan., & Sw. frost. [root]18. See {Freeze}, v. i.] 1. The act of freezing; applied chiefly to the congelation of… …
80Screw valve — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …
