Definition of "entombment" [en•tomb•ment]

• The act of entombing or the state of being entombed (noun)
• The decommissioning of a radioactive site by encasing it in concrete (noun)

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• "Another option is "entombment" of radioactive components in concrete for the long term."
• "When Mr. Bounderby in "Hard Times," for example, tells stories about his supposed childhood poverty, he brags that as a boy the only pictures he possessed were "of a man shaving himself in a boot on the blacking bottles"—a brisk little nod to Dickens's youthful entombment at Mr. Warren's factory in the Strand."
• "It signified her participation in the entombment of"