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catapult    音標拼音: [k'ætəp,ʌlt]
n. 發射機,彈弓,投石器
vt. 發射

發射機,彈弓,投石器發射

catapult
n 1: a plaything consisting of a Y-shaped stick with elastic
between the arms; used to propel small stones [synonym:
{slingshot}, {sling}, {catapult}]
2: a device that launches aircraft from a warship [synonym:
{catapult}, {launcher}]
3: an engine that provided medieval artillery used during
sieges; a heavy war engine for hurling large stones and other
missiles [synonym: {catapult}, {arbalest}, {arbalist},
{ballista}, {bricole}, {mangonel}, {onager}, {trebuchet},
{trebucket}]
v 1: shoot forth or launch, as if from a catapult; "the enemy
catapulted rocks towards the fort"
2: hurl as if with a sling [synonym: {sling}, {catapult}]

Catapult \Cat"a*pult\, n. [L. catapulta, Gr. ?, prob. from kata`
down ? to shake, hurl.]
[1913 Webster]
1. (Mil. Antiq.) An engine somewhat resembling a massive
crossbow, used by the ancient Greeks and Romans for
throwing stones, arrows, spears, etc.
[1913 Webster]

2. A forked stick with elastic band for throwing small
stones, etc.
[1913 Webster]



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英文字典中文字典相關資料:
  • Catapult - Wikipedia
    A catapult is a ballistic device used to launch a projectile at a great distance without the aid of gunpowder or other propellants – particularly various types of ancient and medieval siege engines [1]
  • Catapult | Definition, History, Types, Design, Facts | Britannica
    Catapult, mechanism for forcefully propelling stones, spears, or other projectiles, in use mainly as a military weapon since ancient times Nearly all catapults operated by a sudden release of tension on bent wooden beams or of torsion in twisted cords of horsehair, gut, sinew, or other fibers
  • How does a catapult work? | HowStuffWorks
    Read on to learn more about early catapults, the mechanics of these machines and how you can build your own catapult with a few everyday objects What Is a Catapult? Though the definitions for types of catapults vary, each share one goal: to hurl an object through the air
  • Catapults Explained: How They Work, Types Modern Use
    What Is a Catapult? Relying purely on physics, a catapult launches projectiles by converting potential energy into powerful kinetic force
  • Catapult Physics
    Catapult physics is basically the use of stored energy to hurl a projectile (the payload), without the use of an explosive The three primary energy storage mechanisms are tension, torsion, and gravity
  • CATAPULT Definition Meaning - Merriam-Webster
    The meaning of CATAPULT is an ancient military device for hurling missiles How to use catapult in a sentence
  • Catapult: The Long-Reaching History of a Prominent Medieval Siege . . .
    The catapult was one of the most important and efficient siege engines of the ancient world
  • Æ Catapult - Aeragon
    Catapults exploited the properties of elastic materials such as animal sinew, green wood or twisted fibers to propel a projectile They had much greater range and could launch larger projectiles than hand weapons It is interesting to note that catapults were still used as late as World War I
  • Catapult Mechanics | Dynamics, Force Trajectory
    The catapult, an ancient siege weapon, is a fascinating study in physics and mechanics Its operation involves several fundamental principles of dynamics, force, and trajectory
  • CATAPULT | English meaning - Cambridge Dictionary
    In the past, armies used catapults to hurl heavy stones at enemy fortifications On that type of aircraft carrier, a catapult was used to help launch aircraft





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