bn:00078904n
Noun Concept
Categories: Sound, Acoustics, Articles with short description, Ultrasound
EN
ultrasound  Biomedical ultrasonic  endobronchial ultrasound  From Sound to Image  Industrial ultrasonography
EN
Very high frequency sound; used in ultrasonography WordNet 3.0
Definitions
Relations
Sources
EN
Very high frequency sound; used in ultrasonography WordNet 3.0 & Open English WordNet
Ultrasound is sound with frequencies greater than 20 kilohertz. Wikipedia
Sound waves with frequencies higher than the upper audible limit of human hearing. Wikipedia Disambiguation
Vibrations with frequencies above the human hearing range Wikidata