air-defence

air-defence

A soldier operates an air-defence radar system.

Definition
  1. Noun (uncountable, often used as a modifier):
    • Military defense against aerial attack: "air-defence" refers to the systems, strategies, and operations designed to protect a country, region, or specific asset from enemy aircraft, missiles, or other airborne threats. It encompasses radar systems, anti-aircraft artillery, surface-to-air missiles, and fighter aircraft.
Usage Examples
  • (The country allocated resources for protection against aerial attacks.)
  • (Systems designed to counter airborne threats are essential.)
  • (The military installation uses advanced technology for protection from the air.)
Advanced Usage

  • "Air-defence zone": a designated area where air-defence systems are active.

    • The country established an air-defence zone over its capital. (A protected area where hostile aircraft are intercepted.)

  • "Air-defence artillery": ground-based weapons used to engage aerial targets.

    • The army deployed air-defence artillery around the city. (Anti-aircraft guns and missiles were positioned for protection.)
Variants and Related Words
  • Air-defence (adj): used as a modifier to describe something related to this type of defense.
    • The air-defence commander coordinated the radar and missile units. (The officer in charge of aerial protection.)
Synonyms
  • Anti-aircraft defense: defense specifically against aircraft.
  • Aerial defense: protection from threats in the air.
Related Idioms
  • To maintain an air-defence perimeter: to keep a protective boundary against airborne threats.
    • The troops maintained an air-defence perimeter around the base. (They kept a continuous watch and protection against air attacks.)
Phrasal Verbs
  • To set up air-defence: to establish protective measures against air attacks.
    • The engineers set up air-defence before the enemy arrived. (They installed radar and missile systems.)
Note on Hyphenation
  • "Air-defence" is often hyphenated when used as a compound noun or adjective. In some contexts, it may appear as two separate words ("air defence") or as a single word ("airdefence"), but the hyphenated form is standard in military and technical writing.