From Longman Business Dictionaryconsumption taxconˈsumption tax [countable, uncountable]TAXECONOMICS a tax that a government puts on certain types of goods in order to make people buy fewer of them, for example during a war or difficult economic conditionsSYNEXPENDITURE TAXDespite the introduction of a consumption tax as part of the austerity package, sales of cars are still rising. → tax