From Longman Dictionary of Contemporary Englishcatalytic converterˌcatalytic conˈverter noun [countable] SGPTa piece of equipment fitted to a car’s exhaust system that reduces the amount of poisonous gases the engine sends out
Examples from the Corpus
catalytic converter• Every Saab now has a catalytic converter.• Then it is combined with hydrogen in a catalytic converter to produce methane gas and water.• Budapest is to ban all cars with two-stoke engines from the city centre unless they are fitted with a catalytic converter.• Examples used to illustrate the theme included photographic film and a sectioned catalytic converter.• All 605s are fitted with a three-way catalytic converter, anti-lock braking system and an ultrasonic alarm as standard. 