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ultrasonography

[ uhl-truh-suh-nog-ruh-fee, -soh- ]
/ ˌʌl trə səˈnɒg rə fi, -soʊ- /
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noun
a diagnostic imaging technique utilizing reflected high-frequency sound waves to delineate, measure, or examine internal body structures or organs.
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Origin of ultrasonography

First recorded in 1950–55; ultra- + sono- + -graphy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for ultrasonography

ultrasonography
/ (ˌʌltrəsəˈnɒɡrəfɪ) /

noun
the technique of using ultrasound to produce pictures of structures within the body, as for example of a fetus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for ultrasonography

ultrasonography
[ ŭl′trə-sə-nŏgrə-fē ]

Diagnostic imaging in which ultrasound is used to image an internal body structure or a developing fetus. See Note at ultrasound.
An imaging technology that uses high-frequency sound waves to visualize underwater objects, topography, boundaries between layers, and currents. It is often used to locate underwater vehicles on the ocean floor. The sound waves are broadcast, and the timing and frequency shift of their echoes are analyzed in much the same manner as in sonar to produce an image or map of the phenomena or objects under investigation. Also called ultrasound
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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