- That which is contained; the extent; the substance.
Meaning of 'containment' (Princeton's WordNet)
1 . containment
[ n]
Meaning (1): - 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
Example in sentence:
containment of communist expansion was a central principle of United States' foreign policy from 1947 to the 1975
Meaning (2): - the act of containing; keeping something from spreading