ULTRASOUND
sonography, ultrasonography, echography, ultrasound
(noun) 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
ultrasound
(noun) very high frequency sound; used in ultrasonography
Source: WordNet® 3.1
Etymology
Noun
ultrasound (countable and uncountable, plural ultrasounds)
(physics) Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz.
(medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes.
Antonyms
• (physics): infrasound
Verb
ultrasound (third-person singular simple present ultrasounds, present participle ultrasounding, simple past and past participle ultrasounded)
(ambitransitive) To treat with ultrasound.
Hyponyms
• ultrasonicate
Anagrams
• undulators
Source: Wiktionary