/ ˌeərəʊdaɪˈnæmɪks; NAmE ˌeroʊ-/ noun
1.
[ pl. ] the qualities of an object that affect the way it moves through the air :
Research has focused on improving the car's aerodynamics.
2.
[ U ] the science that deals with how objects move through air
► aero·dy·nam·ic / -mɪk; NAmE / adjective :
the car's aerodynamic shape (= making it able to move faster)
► aero·dy·nam·ic·al·ly / -kli; NAmE / adverb