1) Image produced by sonic waves 
A record obtained using high frequency acoustic reflection techniques in any one of the various display modes, especially an echocardiogram. ... See: ultrasonogram. ... Origin: echo + G. Gramma, a diagram ... (05 Mar 2000) ... 
Type: Term Pronunciation: ek′ō-gram Definitions: 1. A record obtained using acoustic reflection techniques in any one of the various display modes, especially an echocardiogram.
echogram 1. A record made by an echo-sounder. 2. A record obtained using high frequency acoustic reflection techniques in any one of the various display modes, especially an echocardiogram.