line of defense

Thân thiện

Police officers form a strong line of defense in the community.

Definition

1. Noun:
   • A defensive structure consisting of a barrier that can be employed for defense against attack: A physical or tactical arrangement designed to protect against an assault.
   • Any organization whose responsibility it is to defend against something: A group or system established to protect against a specific threat or problem.

Examples of Usage

• Noun:
  • The castle's outer wall was its first line of defense.
  • Vaccines serve as a crucial line of defense against infectious diseases.
  • The immune system is the body's primary line of defense.

Advanced Usage

• "first/second/third line of defense": Used to describe a hierarchy or sequence of protective measures.
  • The firewall is our first line of defense against cyberattacks. Customer support is the second line of defense for handling complaints.

Variants and Related Words

• Line of defence: The British English spelling variant.
• Defensive line: A related term often used in military or sports contexts to describe a front of defenders.

Synonyms

• Barrier: A structure that blocks or defends.
• Bulwark: A defensive wall or a person, institution, or principle that acts as a defense.
• Safeguard: A measure taken to protect or prevent harm.

Related Phrases

• Last line of defense: The final protective measure or resort.
  • When negotiations fail, the military is the last line of defense.

Học thuật

Noun

1. defensive structure consisting of a barrier that can be employed for defense against attack
2. any organization whose responsibility it is to defend against something
   • police are the major line of defense against crime

Từ đồng nghĩa

• line of defence