IPA: //ˌɛəroʊˈdaɪnəmɪk//
KK: /ˌɛrɪoʊˈdænəmɪk/
Relating to the way air moves around things, especially designed to reduce resistance from the air and improve speed or efficiency.
The new car model features an aerodynamic design that improves its fuel efficiency.
Comparative: more aerodynamic
Superlative: most aerodynamic
Aerodynamic is formed from "aero-" (from Greek "aēr", meaning air) and "dynamic" (from Greek "dynamis", meaning power or force). The word refers to the study of forces acting on objects in motion through the air, emphasizing the relationship between air and movement.
Think of 'air' ('aero-') and 'force' ('dynamic') to remember that 'aerodynamic' relates to how objects move through the air with power.