'Containment' definitions:

Definition of 'containment'

From: WordNet
noun
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"
noun
(physics) a system designed to prevent the accidental release of radioactive material from a reactor
noun
The act of containing; keeping something from spreading; "the containment of the AIDS epidemic"; "the containment of the rebellion"

Definition of 'Containment'

From: GCIDE
  • Containment \Con*tain"ment\, n.
  • 1. That which is contained; the extent; the substance. [Obs.] [1913 Webster]
  • The containment of a rich man's estate. --Fuller. [1913 Webster]
  • 2. the act of containing. [PJC]
  • 3. (Diplomacy) the act or policy of restricting the influence or territorial growth of a hostile nation.
  • Note: The policy of containment is employed when the defeat of a hostile nation or overthrow of its government is considered impractical or too costly. [PJC]
  • 4. the act of restricting some deleterious substance within a confined space, especially when such material is released unintentionally or by accident; as, containment of nuclear waste; containment of an oil spill. Also used attributively, as a containment boom. [PJC]
  • 5. a structure surrounding a nuclear power plant designed to prevent release of radioactive materials into the environment in the event of an accident. [PJC]