containment

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun 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
noun (physics) a system designed to prevent the accidental release of radioactive material from a reactor
noun the act of containing; keeping something from spreading

From contain + -ment.

As I remember it is called the Senate Select Sub-Committee on Privacy and Technology Containment. — Terminal Compromise, Winn Schwartau
He chafed at her containment, at her courage, her silence, her withholding the brazen or the fawnish look-up, either of which he would have hated. — The Amazing Marriage — Complete, George Meredith

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