: an image (such as a radiograph) generated by tomography

Word History

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of tomogram was in 1936

Browse Nearby Words

Cite this Entry

“Tomogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tomogram. Accessed 7 Jul. 2026.

Medical Definition

: a radiograph made by tomography
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!