[son-uh-gram, soh-nuh-]

noun Medicine/Medical.

the visual image produced by reflected sound waves in a diagnostic ultrasound examination.

Origin of sonogram

First recorded in 1955–60; sono- + -gram1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sonogram



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

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

Online Etymology Dictionary, © 2010 Douglas Harper

sonogram in Medicine


[sŏnə-grăm′, sō′nə-]


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.