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
ultrasonically adverb

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • ultrasonic — ULTRASÓNIC, Ă, ultrasonici, ce, adj. Referitor la ultrasunete; ultrasonor. – Din fr. ultrasonique. Trimis de ana zecheru, 13.09.2007. Sursa: DEX 98  ULTRASÓNIC adj. (fiz.) (rar) ultrasonor. (Vibraţii ultrasonice.) Trimis de siveco, 05.08.2004.… …   Dicționar Român

  • 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 — 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

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