Wednesday, April 12, 2006

projectile

Quick Definition: missile; fired or thrown object (such as stone or bullet)
projectile (prə-jĕk'təl, -tīl') pronunciation
n.
  1. A fired, thrown, or otherwise propelled object, such as a bullet, having no capacity for self-propulsion.
  2. A self-propelled missile, such as a rocket.
adj.
  1. Capable of being impelled or hurled forward.
  2. Driving forward; impelling: a projectile force.
  3. Zoology. Capable of being thrust outward; protrusile.

[New Latin proiectile, neuter of prōiectilis, that can be thrown, from Latin prōiectus, past participle of prōicere, to throw out. See project.]






A cynical view of the world by Ambrose Bierce

projectilen.

The final arbiter in international disputes. Formerly these disputes were settled by physical contact of the disputants, with such simple arguments as the rudimentary logic of the times could supply -- the sword, the spear, and so forth. With the growth of prudence in military affairs the projectile came more and more into favor, and is now held in high esteem by the most courageous. Its capital defect is that it requires personal attendance at the point of propulsion.




WordNet
Note: click on a word meaning below to see its connections and related words.

The noun projectile has one meaning:

: a weapon that is thrown or projectedSynonym: Meaning #1
missile

The adjective projectile has one meaning:

: impelling or impelled forwardMeaning #1



Wikipedia
projectile

A projectile is any object sent through space by the application of a force. In a general sense, even a or may be considered a projectile, but in practice most projectiles are designed as .footballbaseballweapons

Motive force

, , , and similar weapons are fired using pure mechanical force applied by another solid object; conversely, other weapons use the compression or expansion of gases as their motive force.Arrowsdartsspears

and use compressed gases, while most other and utilize expanding gases liberated by sudden chemical reactions. use a combination of these mechanisms.Blowgunspneumatic riflesgunsfirearmsLight gas guns

provide a constant acceleration along the entire length of the device, greatly increasing the .Railgunsmuzzle velocity

Some projectiles provide propulsion during (part of) the flight by means of a or . In military terminology, a is unguided, while a is . Note the two meanings of rocket: an is a missile with rocket engines.rocket enginejet enginerocketmissileguidedICBM

Blunt or sharp

, pellets, or made of a , usually , that are designed to deform and fragment inside a target, causing significant damage. Items like arrows, hand darts, and spears are generally tipped with sharp metallic or lithic artifacts called that allow them to more easily penetrate a target, although some types of arrows used for hunting are designed to stun or kill through shock rather than to penetrate.Although blowguns use small darts, most types of guns and firearms hurl bulletsshotmetalleadprojectile points

Projectiles designed to be non-lethal, for example for use against , include and .riotsrubber bulletsflexible baton rounds

Kinetic projectiles

). They are termed kinetic projectile, kinetic energy weapon or kinetic penetrator. The classic kinetic energy weapon is the . Among projectiles which do not contain explosives are , , and , in addition to smaller weapons such as bullets. All of these weapons work by attaining a high (), and with their objective, releasing .Some projectiles do not contain an explosive charge (as opposed to projectiles with explosive charge, such as shellsbulletrailgunsmass driverskinetic energy penetratorsmuzzle velocityhypervelocitycollidekinetic energy

Some kinetic weapons for targeting objects in are and . Since they need to attain a high velocity anyway, they can destroy their target with their released kinetic energy alone; high explosive is not strictly necessary. Compare the energy of , 4.6 MJ/kg, to the energy of a kinetic kill vehicle with a closing speed of 10 km/s, which is 50 MJ/kg. This saves costly weight and there is no to be done at the right time, but on the other hand it requires a more accurate hit.spaceflightanti-satellite weaponsanti-ballistic missilesTNTdetonation

With regard to anti-missile weapons, the and have explosives, but of the KEI, LEAP, and being developed, none has (see ).Arrow missileMIM-104 PatriotTHAADMissile Defense Agency

See also , (EKV).Hypervelocity terminal ballisticsExoatmospheric Kill Vehicle

For an idea for kinetic projectiles from Earth orbit, see . For a fictional kinetic weapon, see .kinetic bombardmentRelativistic kill vehicle

Miscellaneous

analyses the projectile , the forces acting upon the projectile, and the impact that a projectile has on a target. A is not called a projectile.Ballisticstrajectoryguided missile

An explosion, whether or not by a weapon, causes the debris to act as multiple high velocity projectiles. An explosive weapon, or device may also be designed to produce many high velocity projectiles by the break-up of its casing, these are correctly termed .fragments

The term projectile also refers to or any other objects thrown, shot or otherwise directed to in video games or computer games.weaponsenemies

See also

  • Category:Projectiles

  • Trajectory of a projectile

  • bow (weapon)

  • atlatl

  • gunpowder

  • torpedo

    This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see ) full disclaimer

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    Translations
    Translations for: Projectile

    Nederlands (Dutch)projectiel

    Franais (French)projectile

    Deutsch (German)n. - Projektil, Geschossadj. - Trieb...

    ή (Greek)n. ή

    Italiano (Italian)proiettile

    Portugus (Portuguese)n. - projtil (m)

    Русский (Russian)снаряд, налетающая частица

    Espaol (Spanish)n. - proyectiladj. - proyectante, arrojadizo

    Svenska (Swedish)n. - projektil

    中国话 (Simplified Chinese)n. - 发射体, 抛射物adj. - 发射的, 投射的

    中國話 (Traditional Chinese)n. - 發射體, 拋射物adj. - 發射的, 投射的

    日本語 (Japanese)adj. - 投射する, 突き出せるn. - 投射物, 発射物

    العربيه (Arabic)
    (الاسم) قذيفه, دافع, قاذف

    עברית (Hebrew)‬n. - ‮טיל, קליע‬adj. - ‮בר-שיגור, ניתן לשיגור‬

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    Mentioned In
    projectile is mentioned in the following topics:
    ballistic missilefirearmfiring pinmuzzle (firearm)sabotM56 High Explosive Incendiary RoundXM242 HEI Tracercluster bombimpact structurelaunch window
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    # posted by Mike : 9:00 AM  0 comments

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