/ree klear"euhns/ , n.
the revalidation of a person's security clearance, usually done periodically for those handling top-secret material.
[ RE- + CLEARANCE ]
/ree klear"euhns/ , n.
the revalidation of a person's security clearance, usually done periodically for those handling top-secret material.
[ RE- + CLEARANCE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012