English noun: ultrasound | |||
1. | ultrasound (phenomenon) very high frequency sound; used in ultrasonography | ||
Broader (hypernym) | sound | ||
2. | ultrasound (act) using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs | ||
Synonyms | echography, sonography, ultrasonography | ||
Broader (hypernym) | imaging, prenatal diagnosis, tomography | ||
Narrower (hyponym) | A-scan ultrasonography, B-scan ultrasonography | ||