Definition

1. Noun:
   • The act of controlling or limiting something to prevent it from spreading or becoming more dangerous: "Containment" refers to the action of keeping something, such as a disease, a conflict, or a substance, within specific limits.
   • A policy or strategy of preventing the expansion of a hostile power, influence, or ideology: In politics and international relations, "containment" describes a strategy of using various means to stop an adversary from increasing its power or territory.
   • A physical structure or system designed to prevent the escape of a hazardous material: In engineering and physics, "containment" is a safety system, often a structure, built to confine dangerous substances like radioactive material.

Examples of Usage

• General Use:
  • The rapid containment of the forest fire prevented it from reaching the town.
  • Effective waste containment is crucial for protecting the environment.
• Political/Military Strategy:
  • The doctrine of containment was a cornerstone of Cold War foreign policy.
  • Their strategy focused on the economic containment of the rival nation.
• Technical/Safety Use:
  • The nuclear reactor's primary containment vessel is designed to withstand extreme pressure.
  • The lab has special procedures for the containment of biohazards.

Advanced Usage

• "Cost containment": Measures taken to control or reduce expenses.
  • The hospital implemented new policies for cost containment.
• "Damage containment": Efforts to limit the negative effects of a problem or crisis.
  • The company's priority was damage containment after the data breach.

Variants and Related Words

• Contain (verb): To have within, hold, or keep within limits.
  • This box can contain all the books.
  • She struggled to contain her excitement.
• Container (noun): An object used for holding or transporting something.
  • Shipping containers are stacked at the port.
• Self-containment (noun): The quality of being complete in itself or independent.
  • The spacecraft's self-containment allows for long-duration missions.

Synonyms

• Restriction: The act of limiting or controlling something.
• Confinement: The action of keeping someone or something within certain limits.
• Suppression: The action of ending something by force, such as a revolt.
• Restraint: A measure or condition that keeps someone or something under control.

Related Phrases

• Containment policy/strategy/doctrine: The formal plan of preventing expansion, especially in a geopolitical context.
  • Scholars debate the effectiveness of the Cold War containment doctrine.
• Containment field/barrier/structure: The physical means of confinement.
  • The spill was stopped by the emergency containment barrier.

Related Idioms

(Note: "Containment" itself is not commonly used in idiomatic expressions. Its related verb, "contain," is used instead.) - To contain multitudes: To have great complexity or many different aspects within oneself (from Walt Whitman's "Song of Myself"). - He is a man of simple tastes, yet I suspect he contains multitudes. - To contain oneself: To control one's emotions or reactions. - She could barely contain herself when she heard the good news.

Noun

1. the act of containing; keeping something from spreading
   • the containment of the AIDS epidemic
   • the containment of the rebellion
2. (physics) a system designed to prevent the accidental release of radioactive material from a reactor
3. a policy of creating strategic alliances in order to check the expansion of a hostile power or ideology or to force it to negotiate peacefully
   • containment of communist expansion was a central principle of United States' foreign policy from 1947 to the 1975