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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

Having to do with sounds too high for human beings to hear.

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Usage examples (37)
  • People believe that dogs can hear ultrasonic sounds so they use dog whistles.
  • I (unintelligible) to the factory and they used a technique called ultrasonic welding to glue plastic components together.
  • Staff Reporter National-level symposium on 'ultrasonic' conducted at VIT
  • Corcoran and his colleagues think the moths are using some kind of ultrasonic jamming.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.