Hypervelocity

Definitions

1. A very high velocity.
2. A hypersonic velocity.
3. A velocity greater than escape velocity.

Equivalents

Examples

“But none of those brown dwarfs were speeding along on a trajectory that would carry⟳ them out of the galaxy like⟳ “runaway” hypervelocity stars observed by astronomers in the last⟳ two decades.”

CEFR level