valve de by-pass
41Foot valve — Foot Foot (f[oo^]t), n.; pl. {Feet} (f[=e]t). [OE. fot, foot, pl. fet, feet. AS. f[=o]t, pl. f[=e]t; akin to D. voet, OHG. fuoz, G. fuss, Icel. f[=o]tr, Sw. fot, Dan. fod, Goth. f[=o]tus, L. pes, Gr. poy s, Skr. p[=a]d, Icel. fet step, pace… …
42Straight-way valve — Straight Straight, a. [Compar. {Straighter}; superl. {Straightest}.] [OE. strei?t, properly p. p. of strecchen to stretch, AS. streht, p. p. of streccan to stretch, to extend. See {Stretch}.] 1. Right, in a mathematical sense; passing from one… …
43mitral valve — bicuspid valve a valve in the heart consisting of two flaps (cusps) attached to the walls at the opening between the left atrium and left ventricle. It allows blood to pass from the atrium to the ventricle, but prevents any backward flow …
44Mercury arc valve — A mercury arc valve (mercury vapor rectifier) is a type of electrical rectifier which converts alternating current into direct current. Rectifiers of this type were used in electric motor power supplies for industry, in electric… …
45ball valve — /ˈbɔl vælv/ (say bawl valv) noun a valve which allows fluid to pass through it in one direction only and consists of a ball, usually of metal, which moves against its seating to close off the flow when it is coming from the wrong direction …
46desmodromic valve — /ˌdɛzmədrɒmɪk ˈvælv/ (say .dezmuhdromik valv) noun a valve allowing fuel to pass into a combustion engine which is mechanically shut as well as opened. {Greek desmos band, chain, ligament + Greek dromos a running + ic} …
47sleeve-valve engine — sleeveˈ valve engine noun A type of engine in which two cylindrical metal sleeves, one inside the other, slide up and down on a film of oil, providing intake and exhaust passages as the port openings pass each other • • • Main Entry: ↑sleeve …
48pyloric valve — noun A valvular fold<!mucous membrane or muscule? at the end of the pyloric canal which lets food pass from the stomach to the duodenum. Syn: pyloric sphincter …
49Boiler (steam generator) — Contents 1 Steam generator (component of prime mover) 2 Boiler types 2.1 Haycock and wagon top boilers …
50human cardiovascular system — ▪ anatomy Introduction organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the… …
