What does aerodynamic mean?
Aerodynamic is an adjective describing anything shaped or behaving in a way that minimizes resistance when moving through air. It has two closely related senses: it can refer to the physical property of an object — a sleek car, a cyclist's tucked posture, a bird's wing — whose form allows air to flow smoothly around it with minimal drag; or it can describe matters relating to aerodynamics, the branch of physics that studies how air and other gases move and exert forces on solid bodies. The word carries connotations of speed, efficiency, and modern engineering, and it appears frequently in discussions of automobiles, aircraft, sports equipment, and even architecture. Its figurative use extends to anything streamlined or effortlessly efficient. Because fuel economy, performance, and stability often depend directly on how well an object slips through the air, aerodynamic remains one of the most practically important adjectives in engineering vocabulary.
adjectiveRelating to the movement of air or other gases and the forces they exert on objects moving through them; designed or shaped so as to reduce air resistance and move smoothly through the air.
- Of a shape or object: designed to minimize resistance to motion through air.
- Of or relating to aerodynamics, the branch of physics dealing with the motion of air and gases and their interaction with solid bodies.
"The car's aerodynamic bodywork cut drag dramatically, allowing it to reach higher speeds on less fuel."
"Cyclists tuck into an aerodynamic position to shave seconds off their time trial."
"The engineer explained that the building's aerodynamic profile would reduce wind loads during storms."
The word 'aerodynamic' was born in the age of steamships — engineers first used it to describe how ships' hulls pushed through water before anyone dreamed of flying machines.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of aerodynamic
Aerodynamic derives from Greek roots: 'aero-' meaning air, from 'aēr', and 'dynamic', from 'dynamis' meaning power or force. The compound emerged in the nineteenth century as scientists began systematically studying the forces acting on bodies moving through fluids, initially applying similar principles to both ships and early flying machines. It shares its roots with related terms such as hydrodynamic and thermodynamic, all built on the same Greek notion of force or power.
Related word forms
How aerodynamic is actually used
A technical term common in engineering, automotive, aviation, and sports contexts; also used figuratively for anything sleekly streamlined. The plural noun 'aerodynamics' refers to the scientific discipline itself.
Easily confused with aerodynamic
Aeronautic relates to the science and practice of flight itself (aircraft, ballooning), while aerodynamic concerns the interaction between moving bodies and the air flowing around them.