"containment" in the noun sense
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"
Source: WordNet® (An amazing lexical database of English)
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