from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An image, as of an unborn fetus or an internal body organ, produced by ultrasonography. Also called echogram, sonograph, ultrasonogram.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a medical image produced by ultrasound echo
- n. a spectrogram
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs
From Latin sonus ("sound") + English suffix -gram. (Wiktionary)