1. (

• aeromechanics ,
• aerodynamics

) the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow ;

1. (

• aerodynamic

) of or relating to aerodynamics ;

2. (

• streamlined ,
• aerodynamic ,
• flowing ,
• sleek ,

) designed or arranged to offer the least resistant to fluid flow; "a streamlined convertible" ;