na-adjective
aerodynamic
Technical term used in physics and engineering to describe properties related to the motion of air and other gases, or objects moving through them.
この車は空気力学的なデザインで、燃費が良い。
This car has an aerodynamic design and gets good fuel economy.
空気力学的に優れた翼の形を研究している。
They are researching wing shapes that are aerodynamically superior.
空気力学 is the noun 'aerodynamics' (the field of study), while 空気力学的 is the adjectival form meaning 'aerodynamic'.
Compound of 空気 (air) + 力学 (dynamics, mechanics) + 的 (-ic, adjectival suffix). A straightforward modern technical coinage.