hypersonically
/ˌhaɪpərˈsɑnɪkli/
adverb
- At a speed of Mach 5 or higher; in a way that relates to hypersonic speeds.
- The new jet can travel hypersonically, reaching speeds over 4,000 miles per hour.
- Engineers are testing materials that can withstand the heat of moving hypersonically.
- The spacecraft re-entered the atmosphere hypersonically, creating a bright fireball.
Antonyms