Definition of hypersonic speed in the Definitions.net dictionary. Examples of how to use “hypersonic” in a sentence from the Cambridge Dictionary Labs Hypersonic definition is - of or relating to speed five or more times that of sound in air. Hypersonic weapons are designed to achieve speeds of up to 15,000 miles an hour. Definition of hypersonically in the Definitions.net dictionary. Hypersonic definition: concerned with or having a velocity of at least five times that of sound in the same... | Meaning, pronunciation, translations and examples Pronunciation of instead with 3 audio pronunciations, 7 synonyms, 15 translations, 19 sentences and more for instead. What does hypersonic speed mean? hyperspace pronunciation - How to properly say hyperspace. The term hypersonic means “moving at a speed greatly in excess of the speed of sound, usually meaning greater than Mach 5.” 1 This roughly translates into traveling at 60 miles per minute (or the equivalent of a four-minute commute from Washington, D.C., to New York), which would significantly reduce flight duration for commercial passengers. The implications of speed. ‘The X - 43A is the first aircraft to reach hypersonic speeds using an air-breathing engine.’ ‘He remembered the planning for hypersonic flight, faster than five times the speed of sound, leading up to the X - 15 program.’ How to use hypersonic in a sentence. Dictionary Collections Quiz Community Contribute ... UK firm designs hypersonic … Information and translations of hypersonic speed in the most comprehensive dictionary definitions resource on the web. In aerodynamics, a hypersonic speed is one that is highly supersonic. Information and translations of hypersonically in the most comprehensive dictionary definitions resource on the web. (n.) Pertaining to or moving at a speed greatly in excess of the speed of sound, usually meaning greater than mach 5. What does hypersonically mean? Since the 1970s, the term has generally been assumed to refer to speeds of Mach 5 and above. Meaning of hypersonically. Meaning of hypersonic speed. Listen to the audio pronunciation in several English accents. All speeds in excess of the speed of sound are supersonic, but to be hypersonic requires even higher speed.