ScienceSeptember 3, 2026
hypersonic
HY-per-son-ik
Definition
Relating to speeds that are at least five times the speed of sound (Mach 5 or greater).
Etymology
Derived from the Greek 'hyper-' meaning 'over' or 'beyond' and the Latin 'sonus' meaning 'sound'. It was coined to describe flight velocities exceeding the speed of sound by a large margin.
In the news
The article uses the term to describe the extreme conditions of a space capsule's reentry into Earth's atmosphere, which requires intense computational simulations to predict thermal effects.
What Can You Do With 50,000 GPUs?
Read the full article ↗USC Viterbi School of Engineering