| hypersonic |
| hypersonic | n. [ Pref. hyper- + sonic. ] (Aeronautics) Pertaining to or moving at a speed greatly in excess of the speed of sound, usually meaning greater than mach 5. All speeds in excess of the speed of sound are |
| ハイパーソニック | [haipa-sonikku] (n) hypersonic [Add to Longdo] |
| 極超音速 | [ごくちょうおんそく, gokuchouonsoku] (n, adj-no) hypersonic (speed) [Add to Longdo] |