Submitted by György Chityil ... on Fri, 01/19/2018 - 20:53 Hierarchy: NounDescription: {{automotive}} A shaped section of a car's underbody which improves the car's aerodynamic propertiesNgram: diffuserNgram Text: diffuserSource: WiktionaryIssue: 0Wiktionary tag: automotiveNgram Count: 1