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