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ultra-
ultra-heat-treated
ultra vires
ultrabasic
ultracentrifuge
ultrafiche
ultrafilter
ultrafiltrate
ultrafiltration
ultrahigh frequency
ultraism
ultralarge crude carrier
ultralight
ultramafic
ultramarine
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ultramicroscope
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ultrasonic

ul·tra·son·ic [ ùltrə sónnik ]


adjective 
Definition:
 
high in frequency: describes sound waves that have frequencies above the upper limit of the normal range of human hearing, which is about 20 kilohertz


ul·tra·son·i·cal·ly adverb
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