Definition of turbocharger noun from the Oxford Advanced American Dictionary

 

turbocharger

 noun
noun
NAmE//ˈtərboʊˌtʃɑrdʒər//
 
(also turbo (pl. turbos))
 
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a system driven by a turbine that gets its power from an engine's exhaust gases. It sends the mixture of gas and air into the engine at high pressure, making it more powerful.
turbocharge
 
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verb turbocharge something turbocharged engines
See the Oxford Advanced Learner's Dictionary entry: turbocharger