containment

/K AH0 N T EY1 N M AH0 N T/
noun
  1. 1

    The state of being contained.

  2. 2

    The state of containing.

  3. 3

    Something contained.

  4. 4

    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.

  5. 5

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

  6. 6

    An inclusion

Source: https://en.wiktionary.org/wiki/containment