transcription, транскрипция: [ -ˈsä-nik ]
adjective
Etymology: International Scientific Vocabulary
Date: 1946
1. : of or relating to speed five or more times that of sound in air — compare sonic
2. : moving, capable of moving, or utilizing air currents that move at hypersonic speed
hypersonic wind tunnel
• hy·per·son·i·cal·ly -ni-k(ə-)lē adverb