This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The act or condition of containing.

n. A policy of checking the expansion or influence of a hostile power or ideology, as by the creation of strategic alliances or support of client states in areas of conflict or unrest.

n. A structure or system designed to prevent the accidental release of radioactive materials from a reactor.

n. the act of containing or something contained

n. a policy of checking the expansion of a hostile foreign power by creating alliances with other states; especially the foreign policy strategy of the United States in the early years of the Cold War

n. a physical system designed to prevent the accidental release of radioactive or other dangerous materials from a nuclear reactor or industrial plant.

n. an inclusion

n. That which is contained; the extent; the substance.

n. the act of containing.

n. the act or policy of restricting the influence or territorial growth of a hostile nation.

n. the act of restricting some deleterious substance within a confined space, especially when such material is released unintentionally or by accident. Also used attributively, as a containment boom.

n. a structure surrounding a nuclear power plant designed to prevent release of radioactive materials into the environment in the event of an accident.

n. That which is contained or comprised; extent; contents.

n. the act of containing; keeping something from spreading

n. (physics) a system designed to prevent the accidental release of radioactive material from a reactor

n. 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

"But the term containment was originally created by State Department analyst George Kennan to describe the necessity for strong measures including the use of military force to prevent the spread of Soviet communism."

system    policy   

arraignment    attainment    entertainment    infotainment   

propulsion    life-support    stasis    decontamination    reactor    deflector    cleanup    warp    antimatter    cryo