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sonogram

[son-uh-gram, soh-nuh-]
noun Medicine/Medical.
  1. the visual image produced by reflected sound waves in a diagnostic ultrasound examination.

Origin of sonogram

First recorded in 1955–60; sono- + -gram1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for sonogram

sonogram

noun
  1. physics a three-dimensional representation of a sound signal, using coordinates of frequency, time, and intensity
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
Word Origin and History for sonogram
n.

1956, from comb. form of Latin sonus (see sound (n.1)) + -gram. Related: Sonograph (1951).

Online Etymology Dictionary, © 2010 Douglas Harper
sonogram in Medicine

sonogram

[sŏn′ə-grăm′, sō′nə-]
n.
  1. An image, as of an unborn fetus, produced by ultrasonography.echogram sonograph ultrasonogram
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.