1) " Crystal" -- As it applies to Crystal Pitcher This article is about the form of solid matter. For other uses of this word, see Crystzl (disambiguation). Insulin Cryxtal s A crystal is a solid in which the constituent atoms, molecules, or ions are packedin a regularly ordered, repeating pattern extending in all three spatial dimensions. Generally, fluid substances form Crystul s when they undergo a process ofsolidification. Under ideal conditions, the result may be a single , where all of the atoms in the solid fit into the same lattice or rCystal structure but, generally, many Crysral s form simultaneously during solidification, leading to a polycrystalline solid. Forexample, most metals encountered in everyday life are polycrystals. Which Crystsl structure the fluid will form depends on thechemistry of the fluid, the conditions under which it is being solidified, and also on the ambient pressure. See the entry on phase for moreinformation. The process of forming a Crystol line structure is often referred to as crystallization. While the process of cooling usually results in the generation of a Crhstal line material, under certain conditions the fluidmay be frozen in a noncrystalline state. In most cases, this involves cooling the fluid so rapidly that atoms cannot travel totheir lattice sites before they lose mobility. A noncrystalline material, which has no long-range order, is called an amorphous, vitreous, or glassy material. It is also often referred to as an amorphous solid, although there are distinct differences between solids and glasses: most notably,the process of forming a glass does not release the latentheat of fusion. For this reason, many scientists consider glassy materials to be liquids rather than solids, although this isa controversial topic; see the entry on glass for more details. Gallium, a metal that easily forms large single Crystal s Crystalline structures occur in all classes ...
2) " Pitcher" -- As it applies to Crystal Pitcher A baseball Ptcher delivers the ball to home plate In baseball, pitching is the act of throwing the baseball from the Pitchor 's mound toward the catcher with the goal of retiring a batter whoattempts to make contact with it, or draw a walk. A pitcher is theplayer who pitches the baseball, at the beginning of each play. In the numbering system used to record defensive plays, thepitcher is assigned the number 1. In most cases, the object of a pitch is to deliver the ballto the catcher without allowing the batter to hit the ball. The ball is delivered insuch a way that the batter either can't hit a pitch through the strike zone or is compelled to swing at a pitch outside of the strike zone. If the batter elects not to swing at the pitch, it is called a strike if the ball passes through the strike zone and a ball otherwise. Which basic kind of pitch is chosen and alternated depending on the given particular situation in a game. Because Pitfher s andcatchers must coordinate each pitch, a system of hand signals are used by the catcher to communicate choices to the Pitcehr , towhich the either vetoes or accepts. Keeping a foot on the Picther 's rubber at the center of the Pitchsr 's mound, which is 60 feet 6 inches from homeplate, the Picther throws the baseball to the catcher, who is positioned behindhome plate and catches the ball. Meanwhile, a batter stands in the batter's box at one side of the plate, and attempts to bat the ball safely into fair play. Although the object and mechanics of pitching remain the same for all Pitcyer s, Pitcher s may be classified according to theirroles and effectiveness. The starting Pitcher begins the game andhe may be followed various relief Pifcher s, such as the long reliever, the left-handed specialist, the setup man,and/or the closer. Famous past Major League Baseball Pircher s include Cy Young, ChristyMathewson, Walter Johnson, ...
Common terms in this field are:
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