From Longman Dictionary of Contemporary Englishultrasoundul‧tra‧sound /ˈʌltrəsaʊnd/ noun 1 [uncountable]HPM sound that is too high for humans to hear2 [countable, uncountable]MHMB a medical process using this type of sound, that produces an image of something inside your body investigation of the liver by ultrasound An ultrasound scan revealed that the baby was a boy.
Examples from the Corpus
ultrasound• Barium follow-through, gastroscopy, sigmoidoscopy, barium enema, abdominal ultrasound scan, and chest radiograph were all normal.• The remaining six patients are free of symptoms, but have not attended for ultrasound examination.• Furthermore, ultrasound scanning detects other physical anomalies, of which some are associated with genetic abnormality.• The contrast agents in dispute would be used in ultrasound imaging of the heart and other organs.• I found it helpful to read the chapters on power ultrasound, commercially available equipment and scale - up considerations together.• A large proportion of the ultrasound assessments named an anomaly detected.• He's using ultrasound scanning to discover if ewes are pregnant.ultrasound scan• Barium follow-through, gastroscopy, sigmoidoscopy, barium enema, abdominal ultrasound scan, and chest radiograph were all normal.• All patients had standard haematological and biochemical tests, and an upper abdominal ultrasound scan.• An ultrasound scan revealed non-dilated ducts and suggested acute cholecystitis.• An ultrasound scan was done, as already described to assess stone status and gall bladder emptying.• He's using ultrasound scanning to discover if ewes are pregnant. 