Definition

Noun: A defensive missile system specifically engineered to intercept and destroy incoming intercontinental ballistic missiles (ICBMs) during their flight, typically before they can reach their intended targets.

Usage and Examples

• The nation invested heavily in developing a new antiballistic missile system to protect its major cities.
• Deploying an effective antiballistic missile shield is a complex technological and strategic challenge.
• The treaty restricted the number of antiballistic missile launchers each country could possess.

Advanced Usage

• The term is often used in discussions of national defense, nuclear deterrence, and arms control agreements. It is frequently abbreviated as ABM.
  • Example: The ABM treaty was a landmark agreement during the Cold War.

Variants and Related Words

• ABM: The standard abbreviation for "antiballistic missile."
• Interceptor Missile: A more general term for a missile designed to destroy another missile or aircraft; an antiballistic missile is a specific type of interceptor.
• Missile Defense System: A broader term encompassing the entire network of radars, command centers, and interceptors (including antiballistic missiles) used to detect, track, and destroy incoming threats.

Synonyms

• Interceptor missile (in the specific context of ballistic missile defense)
• Defensive missile

Related Phrases and Terminology

• Ballistic Missile Defense (BMD): The overarching strategy and technology for countering ballistic missiles.
• Mid-course interception: The phase of flight where an antiballistic missile typically attempts to intercept an ICBM outside the Earth's atmosphere.
• Terminal phase defense: Defense that attempts to intercept a warhead in the final stage of its descent, often closer to the target.

Noun

1. a defensive missile designed to shoot down incoming intercontinental ballistic missiles
   • the Strategic Arms Limitation Talks placed limits on the deployment of ABMs