流りゅう線せん

noun

streamline

Physics term for a line representing the path of a fluid particle; also used in engineering and design for shapes that reduce drag.

• 流りゅう線せんに沿そって流りゅう体たいが動うごく。

  The fluid moves along the streamline.

• この車くるまのデザインは流りゅう線せんを意い識しきしている。

  This car's design takes streamlines into account.