noun, noun which may take the genitive case particle 'no'
streamlined shape; aerodynamic shape
Describes a shape designed to reduce air or water resistance, such as that of a high-speed train, car, or airplane. Often used attributively with の.
The Shinkansen has a streamlined shape to reduce air resistance.
この車の流線型のデザインはとても美しい。
The streamlined design of this car is very beautiful.