ultrasonic — (adj.) 1923, having frequency beyond the audible range, from ULTRA (Cf. ultra ) + SONIC (Cf. sonic). For sense, see SUPERSONIC (Cf. supersonic) … Etymology dictionary
ultrasonic — ► ADJECTIVE ▪ involving sound waves with a frequency above the upper limit of human hearing. DERIVATIVES ultrasonically adverb … English terms dictionary
ultrasonic — [ul΄trəsän′ik] adj. [ ULTRA + SONIC] designating or of a frequency of mechanical vibrations above the range audible to the human ear, i.e., above 20,000 vibrations per second ultrasonically adv … English World dictionary
ultrasonic — adjective Date: 1923 1. having a frequency above the human ear s audibility limit of about 20,000 hertz used of waves and vibrations 2. utilizing, produced by, or relating to ultrasonic waves or vibrations < ultrasonic testing of metal > •… … New Collegiate Dictionary
ultrasonic — Relating to energy waves similar to those of sound but of higher frequencies (above 30,000 Hz). [ultra + L. sonus, sound] * * * ul·tra·son·ic sän ik adj 1 a) having a frequency above the human ear s audibility limit of about 20,000 hertz used of… … Medical dictionary
ultrasonic — ultragarsinis dažnis statusas T sritis fizika atitikmenys: angl. ultrasonic; ultrasonic frequency vok. Ultraschallfrequenz, f rus. ультразвуковая частота, f pranc. fréquence ultrasonique, f; fréquence ultrasonore, f; ultrason, m … Fizikos terminų žodynas
ultrasonic — adj. Ultrasonic is used with these nouns: ↑wave … Collocations dictionary
ultrasonic — ul|tra|son|ic [ˌʌltrəˈsɔnık US ˈsa: ] adj ultrasonic sound waves are too high for humans to hear … Dictionary of contemporary English
ultrasonic — [[t]ʌ̱ltrəsɒ̱nɪk[/t]] ADJ: usu ADJ n Ultrasonic sounds have very high frequencies, which human beings cannot hear … English dictionary
ultrasonic — adjective ultrasonic sound waves are too high for humans to hear … Longman dictionary of contemporary English
