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'
(physics) a system designed to prevent the accidental release of radioactive material from a reactor
the act of containing; keeping something from spreading; the containment of the AIDS epidemic; the containment of the rebellion'