Streamline means to design something in a way that provides little resistance such as from air, water or quick movement.(verb)
Streamline is something that has a shape that provides little resistance to air or fluid flow.(noun)
An example of streamline is a slick, smooth aircraft.
See streamline in Webster's New World College Dictionary
See streamline in American Heritage Dictionary 4
transitive verb stream·lined, stream·lin·ing, stream·lines
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