U0012600 (ŭl′trə-sŏn′ĭk)adj.1. Of or relating to acoustic frequencies above the range audible to the human ear, or above approximately 20,000 hertz.2. Of, relating to, or involving ultrasound.ul′tra·son′i·cal·ly adv.Thesaurus
Adv.
1.
ultrasonically - by ultrasonic means; "the kidney stones were removed ultrasonically"