What does echogram mean?
An echogram is a visual record created by bouncing high-frequency sound waves off an object and capturing their reflections. The term is used most often in medicine, where it refers to the image generated by ultrasonography — for example, the picture of a developing fetus or an internal organ that a sonographer reads on screen. Beyond medicine, the word can describe any record of reflected sound, such as the depth profile traced by an echo sounder on a survey vessel. The word combines 'echo,' from Greek ēchō meaning 'sound,' with '-gram,' from Greek gramma, meaning 'something written or recorded.' Echogram carries a technical, clinical tone and appears mainly in medical literature and instrumentation contexts, while everyday conversation favors the friendlier terms 'sonogram' and 'ultrasound.' Its precise, descriptive construction makes it useful wherever writers want to emphasize the echo-based physics behind an image rather than simply its appearance.
nounA visual record or image produced by echography (ultrasonography), showing the reflection of ultrasound waves from internal body structures; more broadly, a record of an echo, such as one produced by an echo sounder.
- An image produced by ultrasonography, showing reflections of high-frequency sound waves from structures within the body.
- A record produced by an instrument that measures reflected sound waves, such as an echo sounder used to chart water depth.
"The sonographer studied the echogram carefully before explaining the results to the patient."
"The fetal echogram showed a healthy heartbeat."
"The ship's echogram revealed a sharp drop in the seabed below."
Regular plural; used when referring to multiple images or records.
"The technician archived hundreds of echograms over her career."
Every time a doctor slides an ultrasound probe over a belly, they're reading echoes bounced off living tissue — and the picture they get is literally called an 'echo-gram.'
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of echogram
Echogram was formed in English from the Greek-derived elements 'echo' (from ēchō, 'sound') and '-gram' (from gramma, 'a written mark'), following the pattern of other technical coinages ending in -gram such as telegram and phonogram. It arose in the twentieth century as acoustic imaging technology developed, first appearing in connection with echo-sounding instruments and later becoming standard in medical ultrasonography. It shares its Greek roots with related coinages like echolocation, echocardiogram, and echography.
Related word forms
How echogram is actually used
Echogram is chiefly a technical term used in medical and scientific contexts. In everyday speech, most people say 'sonogram' or 'ultrasound' rather than echogram, so using it signals professional or clinical register.
Easily confused with echogram
An echocardiogram is a specific type of echogram that images the heart, whereas an echogram can image any internal structure.
Sonogram is the broader everyday term for an ultrasound image; echogram emphasizes the echo-based principle behind the imaging.