/streem"luyn'/, n., v., streamlined, streamlining. adj.
1. a teardrop line of contour offering the least possible resistance to a current of air, water, etc.
2. the path of a particle that is flowing steadily and without turbulence in a fluid past an object.
3. to make streamlined.
4. to alter in order to make more efficient or simple.
5. streamlined.
[1870-75; STREAM + LINE1]

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In fluid mechanics, the path of imaginary particles suspended in the fluid and carried along with it.

In steady flow, the fluid is in motion but the streamlines are fixed. Where streamlines crowd together, the fluid speed is relatively high; where they open out, the fluid is relatively still. See also laminar flow, turbulent flow.

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Universalium. 2010.

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