echograph

[ek-oh-graf, -grahf]

noun

a device that records oceanic depths by means of sonic waves.
a similar device used in ultrasonography to examine internal body structures or monitor fetal development.

Origin of echograph

First recorded in 1945–50; echo + -graph
Related formsech·o·graph·ic [ek-oh-graf-ik] /ˌɛk oʊˈgræf ɪk/, adjectiveech·o·graph·i·cal·ly, adverbe·chog·ra·phy [e-kog-ruh-fee] /ɛˈkɒg rə fi/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for echography

echography

noun

medical examination of the internal structures of the body by means of ultrasound
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

echography in Medicine

echography

[ĕ-kŏgrə-fē]

n.

ultrasonography
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.