noun🔗Share음속 이하 항공기An aircraft whose maximum speed is less than the speed of sound"The Boeing 737 is a well-known subsonic; it flies slower than the speed of sound. "보잉 737은 잘 알려진 음속 이하 항공기입니다. 음속보다 느리게 비행합니다.vehiclemilitarytechnologysciencephysicsChat with AIVocabulary GamePractice Reading
adjective🔗Share초저주파의(of a sound, scientific) having a frequency too low to be audible"The machine emitted a subsonic rumble that we could only feel, not hear. "기계는 우리가 들을 수는 없고 느낄 수만 있는 초저주파 굉음을 냈다.soundphysicsfrequencyChat with AIVocabulary GamePractice Reading
adjective🔗Share아음속의, 거의 들리지 않는(of a sound, literary) very quiet, almost inaudible"The noise of the ship was all around her. The faint subsonic rumble of the reactor and drive. (Leviathan Wakes, James S. A. Corey)"배의 소음이 그녀의 주변을 맴돌았다. 희미한 아음속의 반응로와 추진기의 굉음.soundliteratureChat with AIVocabulary GamePractice Reading
adjective🔗Share음속 이하의(of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure)"The small plane flew at a comfortable, subsonic speed. "작은 비행기는 편안한 음속 이하의 속도로 날았다.physicssoundtechnologyChat with AIVocabulary GamePractice Reading
adjective🔗Share아음속의(of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources)"The small airplane flew at a subsonic speed, much slower than a jet. "작은 비행기는 제트기보다 훨씬 느린 아음속 속도로 비행했다.physicstechnicalsoundscienceChat with AIVocabulary GamePractice Reading
