imparts spin to
11bullet — bulletless, adj. bulletlike, adj. /bool it/, n., v., bulleted, bulleting. n. 1. a small metal projectile, part of a cartridge, for firing from small arms. See diag. under cartridge. 2. a cartridge. 3. a small ball. 4. Print. a heavy dot for… …
12Muzzleloader — A muzzleloader is any firearm into which the projectile and usually the propellant charge is loaded from the muzzle of the gun (i.e. from the forward, open end of the gun s barrel). This is distinct from the more popular modern (higher tech and… …
13Tank gun — A tank gun is the main armament of a tank. Modern tank guns are large caliber high velocity guns, capable of firing kinetic energy penetrators, high explosive anti tank rounds, and in some cases guided missiles. OverviewTank guns are a specific… …
14SPG-9 — Infobox Weapon name=SPG 9 caption=A Polish SPG 9M is loaded. Polish Ministry of Defence photo. origin=flagcountry|Soviet Union type=Recoilless rifle is ranged=yes is artillery=yes service=1962 1999 used by= wars= designer= design date=… …
15football — I (Roget s IV) n. 1. [A sport] Syn. American football, Association football, rugby, soccer, the pigskin sport*, grid game*, gridiron pastime*. 2. [The ball used in football] Syn. regulation football, pigskin*, oval*, inflated oval*, apple*,… …
16twist serve — noun : an overhand tennis serve that imparts spin to the ball and causes it to bounce high and to the left of the receiver …
17Cue sports techniques — Illustration from Michael Phelan s 1859 book, The Game of Billiards Cue sports techniques (usually more specific, e.g., billiards techniques, snooker techniques) are an immensely important aspect of game play in the various cue sports such as… …
18vorticity — is a measure of rotation in the atmosphere, or “spin,” in the air. If the spin, as viewed from above, is counterclockwise in the Northern Hemisphere, it is called a vorticity cyclonic and given a positive value. If the spin is clockwise, it is… …
19Magnetism — This article is about magnetic materials. For information about objects and devices that produce a magnetic field, see magnet. For fields that magnets and currents produce, see magnetic field. For other uses, see magnetism (disambiguation).… …
20chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
