adj. of or involving sound waves with a frequency above the upper limit of human hearing. ultrasonically adv.
ULTRASONIC
Meaning of ULTRASONIC in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012
adj. of or involving sound waves with a frequency above the upper limit of human hearing. ultrasonically adv.
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012