zero — [zir′ō, zē′rō] n. pl. zeros or zeroes [Fr zéro < It zero < Ar ṣifr,CIPHER] 1. the symbol or numeral 0, representing the complete absence of any quantity or magnitude 2. the point, marked 0, from which positive or negative quantities are… … English World dictionary
zero — /zear oh/, n., pl. zeros, zeroes, v., zeroed, zeroing, adj. n. 1. the figure or symbol 0, which in the Arabic notation for numbers stands for the absence of quantity; cipher. 2. the origin of any kind of measurement; line or point from which all… … Universalium
zero — /ˈzɪəroʊ / (say zearroh) noun (plural zeros or zeroes) 1. the figure or symbol 0, which stands for the absence of quantity in the Arabic notation for numbers; a cipher. 2. the origin of any kind of measurement; line or point from which all… …
Telescopic sight — Scope redirects here. For other uses, see Scope (disambiguation). View through a 4x rifle scope. A telescopic sight, commonly called a scope, is a sighting device that is based on an optical refracting telescope. They are equipped with some form… … Wikipedia
Iron sight — Sight picture through iron sights of an H K MP5 submachine gun. The annular shroud around the front post sight is aligned with the rear peep sight to ensure the weapon is properly trained. Iron sights are a system of shaped alignment markers… … Wikipedia
C79 optical sight — The C79 Optical sight is a 3.4x28 scope. The sight is not designed as a sniper sight per se, but is rather intended to be mounted on a variety of rifles and to be used by all infantrymen. A tritium illuminated reticle provides for normal and low… … Wikipedia
Sniper — For other uses, see Sniper (disambiguation). Sniper US Army sniper team shooting from within a room in Afghanistan with M24 SWS, 19 October 2006. Occupation Names Sniper Activity … Wikipedia
Shooting range — An outdoor shooting range with a sheltered shooting stand and several other unsheltered stands. The targets are placed at the foot of the mountain, which the photo is taken from. This particular range is in use by both civilians and by the… … Wikipedia
Scout Sniper — Scout Snipers from the 26th Marine Expeditionary Unit (Special Operations Capable) in Djibouti as part of Combined Joint Task Force Horn of Africa (July 15, 2003) Scout Sniper (MOS 0317, formerly 8541) is a secondary MOS (Military Occupational… … Wikipedia
M16 rifle — Rifle, 5.56 mm, M16 From top to bottom: M16A1, M16A2, M4A1, M16A4 Type Assault rifle Place … Wikipedia
Comparison of the AK-47 and M16 — M16 (top) and AK 47 (bottom) assault rifles Firearm AK 47 M16A1 Manufacturer Izhmash ArmaLite, Colt … Wikipedia