Noun: ultrasound 'úl-tru,sawnd
- Very high frequency sound; used in ultrasonography
"The doctor used ultrasound to examine the foetus"
- Using the reflections of high-frequency sound waves to construct an image of a body organ
"The obstetrician used ultrasound to monitor foetal development";
- sonography, ultrasonography, echography
Derived forms: ultrasounds
Type of: imaging, prenatal diagnosis, sound, tomography
Encyclopedia: Ultrasound