ultrasound
ultrasound Lexical Profile
ultrasound Game Scores & Validity
• noun
A non-invasive medical diagnostic procedure that uses high-frequency sound waves to produce real-time images of internal organs, tissues, or a developing fetus.
"The obstetrician scheduled a routine ultrasound to monitor the baby's growth and development."
Sound waves with frequencies higher than the upper audible limit of human hearing, typically above 20,000 hertz.
"Bats and dolphins emit pulses of ultrasound to navigate in the dark and locate their prey."
• verb
To examine or treat a patient or body part using medical ultrasound imaging or therapy.
"The technician will ultrasound the patient's abdomen to check for gallstones."
• Nearby Words
Word Origin & Etymology
Coined in the early 20th century by combining the Latin prefix 'ultra-' (meaning 'beyond') with the noun 'sound', referring to acoustic frequencies above the upper limit of human hearing.