aerodynamic
/ˌɛrɪˌdɑnəˈmɪk/Definitions
1. adjective
relating to the study of the interaction between air and a solid object, especially with respect to the object’s motion or the forces acting upon it
“The new sports car’s aerodynamic design improved its speed and fuel efficiency.”
2. noun
the study of the interaction between air and a solid object
“The engineer’s research focused on aerodynamics and its applications in aviation.”