Main Entry:

¹stream·line

Pronunciation:

\ˈstrēm-ˌlīn\

Function:

noun

Date:

1868

1: the path of a particle in a fluid relative to a solid body past which the fluid is moving in smooth flow without turbulence2 a: a contour designed to minimize resistance to motion through a fluid (as air) b: a smooth or flowing line designed as if for decreasing air resistance