orifice area
41Cusp — In reference to heart valves, one of the triangular segments of the valve which opens and closes with the flow of blood. In reference to teeth, a raised area of the biting surface. * * * 1. In dentistry, a conical elevation arising on the surface …
42test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
43Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …
44Bernoulli's principle — This article is about Bernoulli s principle and Bernoulli s equation in fluid dynamics. For Bernoulli s Theorem (probability), see Law of large numbers. For an unrelated topic in ordinary differential equations, see Bernoulli differential… …
45steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
46animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by …
47Fire sprinkler — A fire sprinkler is the part of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been reached. History Henry S. Parmelee of New Haven, CT created and… …
48Wireless security — An example wireless router, that can implement wireless security features Wireless security is the prevention of unauthorized access or damage to computers using wireless networks. Many laptop computers have wireless cards pre installed. The… …
49Dashpot timer — The first automatic timer, the dashpot timer has been used in many different machines and has many variations. Pneumatic, hydraulic action, and mercury displacement timers. Being used in a variety of things such as printing presses, motors, and… …
50Cowichan knitting — Cowichan sweater redirects here. For other uses, see Cowichan. A couple display their themed Cowichan sweaters outside the Butter Church at Cowichan Bay, 1985. Cowichan knitting is a form of knitting developed by the Cowichan people of… …
