From Longman Dictionary of Contemporary EnglishPrevention of Terrorism Act, thethe Prevention of Terrorism ActPreˌvention of ˈTerrorism ˌAct, the 🔊 🔊 a 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.