adjective🔗ShareOf or relating to sound."The doctor used a sonic device to examine the baby's heartbeat. "soundphysicssciencetechnologyChat with AIVocabulary GamePractice Reading
adjective🔗ShareHaving a speed approaching that of the speed of sound in air."The supersonic jet made a sonic boom, startling the neighbors. "soundphysicstechnologytechnicalChat with AIVocabulary GamePractice Reading