adjective
aerodynamic
air-oh-dye-NAM-ik/ˌerəʊdaɪˈnæmɪk/
Relating to movement through air and the forces affecting it.
The helmet's streamlined shape improves its aerodynamic performance as air flows around it.

Etymology
The air and force roots originally referred to the forces of air in motion. Applied to a shape, the word describes a design that moves efficiently through air.
In context
it's wonderfully aerodynamic like a double ended teardrop. You can imagine it flying through the air
More examples
- The cyclist adopts a more aerodynamic position to reduce drag.
- An aerodynamic design helps the car move efficiently through air.
- The model reveals how aerodynamic forces change during flight.
Forms
aerodynamics noun — The study of air acting on moving bodies.
Similar words
- streamlined
- Specifically describes a shape that reduces resistance during motion.