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ultrasonography

[uhl-truh-suh-nog-ruh-fee, -soh-] /ˌʌl trə səˈnɒg rə fi, -soʊ-/
noun
1.
a diagnostic imaging technique utilizing reflected high-frequency sound waves to delineate, measure, or examine internal body structures or organs.
Origin
1950-1955
1950-55; ultra- + sono- + -graphy
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ultrasonography

ultrasonography

/ˌʌltrəsəˈnɒɡrəfɪ/
noun
1.
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
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Word Origin and History for ultrasonography
n.

1960, from ultra- + sonography (see sonogram).

Online Etymology Dictionary, © 2010 Douglas Harper
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ultrasonography in Medicine

ultrasonography ul·tra·so·nog·ra·phy (ŭl'trə-sə-nŏg'rə-fē)
n.
Diagnostic imaging in which ultrasound is used to visualize an internal body structure or a developing fetus. Also called echography, sonography.


ul'tra·so·nog'ra·pher n.
ul'tra·son'o·graph'ic (-sŏn'ə-grāf'ĭk, -sō'nə-) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ultrasonography in Science
ultrasonography
  (ŭl'trə-sə-nŏg'rə-fē)   
  1. Diagnostic imaging in which ultrasound is used to image an internal body structure or a developing fetus. See Note at ultrasound.

  2. 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 © 2002. Published by Houghton Mifflin. All rights reserved.
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