The process by which the record of a criminal conviction is destroyed or sealed(noun)
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Use "expungement" in a sentence
"As someone convicted of a misdemeanor, expungement is a vital part of being able to lead a normal live and have a job."
"However, to add insult to injury, the FINRA Arbitrators recommended a so-called expungement that exacerbates the circumstances attendant to Claimant's termination and now puts his departure in a far worse light."
"It's common for attorneys to draw up legal documents such as expungement orders for judges to consider."