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Definition of ultrasonic adjective from the Oxford Advanced Learner's Dictionary

ultrasonic

adjective
 
/ˌʌltrəˈsɒnɪk/
 
/ˌʌltrəˈsɑːnɪk/
[usually before noun]
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  1. (of sounds) higher than humans can hear
    • ultrasonic waves
    compare infrasonic
    Oxford Collocations DictionaryUltrasonic is used with these nouns:
    • wave
    See full entry
See ultrasonic in the Oxford Advanced American Dictionary
Check pronunciation: ultrasonic

Nearby words

reassure
verb
 
 
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