Definition of hypervelocity
: a high or relatively high velocity (such as thousands of feet or meters per second)
Recent Examples of hypervelocity from the Web
Since then, astronomers have discovered about 20 of these fast-moving stars, known as hypervelocity stars.
There are alternative scenarios, but none explains why most of the 20 or so hypervelocity stars found so far are all in the same area of sky, in the Leo and Sextans constellations.
This is orders of magnitude slower than the hypervelocity impacts that a shuttle deals with, but the spear is thousands of times more massive than a fleck of paint.
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First Known Use of hypervelocity
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