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ultrasonic

From Wiktionary, the free dictionary

English

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English Wikipedia has an article on:
Wikipedia

Etymology

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From ultra- +‎ sonic.

Pronunciation

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Adjective

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ultrasonic (comparative more ultrasonic, superlative most ultrasonic)

  1. (acoustics) Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.
    • 1961 March, C. P. Boocock, “The organisation of Eastleigh Locomotive Works”, in Trains Illustrated, pages 159–160:
      The wheel shop also has equipment for ultrasonic testing of axles for flaws; and systematic checking of locomotive axles and crank pins is carried out as they pass through the shops.
    • 2016 February 1, Tom Whipple, “Microcannon firing nanobullets: the future of targeted medicine”, in The Times[1]:
      When an ultrasonic beam is fired at the microcannons, the emulsion evaporates, expanding rapidly into gas. This creates enough force to push the nanobullets out at velocities reaching several metres per second.

Antonyms

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Derived terms

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Translations

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Anagrams

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Romanian

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Etymology

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Borrowed from French ultrasonique, equivalent to ultra- +‎ sonic.

Adjective

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ultrasonic m or n (feminine singular ultrasonică, masculine plural ultrasonici, feminine and neuter plural ultrasonice)

  1. ultrasonic

Declension

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Declension of ultrasonic
singular plural
masculine neuter feminine masculine neuter feminine
nominative-
accusative
indefinite ultrasonic ultrasonică ultrasonici ultrasonice
definite ultrasonicul ultrasonica ultrasonicii ultrasonicele
genitive-
dative
indefinite ultrasonic ultrasonice ultrasonici ultrasonice
definite ultrasonicului ultrasonicei ultrasonicilor ultrasonicelor