ultrasound
- 01 B2 Upper Intermediate
n.a medical test that uses sound waves to create a picture of the inside of your body.
n.a diagnostic imaging technique, also known as ultrasonography, that uses high-frequency sound waves to visualise internal body structures.
Simple“The doctor scheduled an ultrasound to check how the baby was growing.”
In context“The technician performed a detailed abdominal ultrasound to investigate the cause of the patient's persistent discomfort.”
UsageOften used with the verbs 'have', 'get', or 'perform'.
Synonyms - 02 C1 Advanced
n.sound waves that are too high for the human ear to hear.
n.acoustic energy with a frequency above the upper limit of human hearing, typically exceeding 20 kilohertz.
Simple“Bats use ultrasound to find their way and hunt for insects in the dark.”
In context“The industrial cleaning process relies on ultrasound to dislodge microscopic contaminants from the surface of the precision components.”
Synonymsultrasonic wavesAntonymsinfrasound - 03 C2 Proficiency
v.to use ultrasound waves to look at or treat a part of the body.
v.to examine, treat, or process an object or tissue using ultrasonic energy.
Simple“The vet decided to ultrasound the dog's heart to look for any problems.”
In context“The medical team opted to ultrasound the affected area daily to monitor the reduction in internal swelling without invasive surgery.”
Synonyms
From ultra- + sound.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.