To simplify or organize a process in order to increase its efficiency.
To design and construct the contours of a vehicle etc. so as to offer the least resistance to its flow through a fluid.
To modernise.
On a weather chart, a line that is tangent to the flow of the wind.
A line that is tangent to the velocity of flow of a fluid; equivalent to the path of a specific particle in that flow.
To clear from complication or difficulty; to unfold; to solve.
To separate the threads (of); disentangle.
To become separated; (of something woven, knitted, etc.) to come apart.
To separate the connected or united parts of; to throw into disorder; to confuse.
To become undone; to collapse.