From Longman Dictionary of Contemporary EnglishPrevention of Terrorism Act, thethe Prevention of Terrorism ActPreˌvention of ˈTerrorism ˌAct, thea Britishlaw made in 1989 which gave the army, police, and government extra powers to deal with terrorists, such as being able to keep someone in prison for 7 days without charging them with a crime. It was used mainly against people who are believed to be members of the IRA. It was replaced in 2000 by the TerrorismAct. A new Terrorism Act in 2006 increased the time police could detainterrorsuspects to 28 days. It also made it a crime to glorifyterrorism.