IPA: /ˈtɒməˌgræf/
KK: /ˈtɒməˌgræf/
A device used to create images of specific layers or sections of the body using X-rays.
The doctor used a tomograph to get a detailed image of the patient's brain.
Tomograph → It is formed from "tomos" (from Greek, meaning slice or section) and "graph" (from Greek "grapho", meaning to write or record). The word "tomograph" refers to a device that records images of slices or sections of the body.
Think of 'slices' ('tomos') being 'recorded' ('graph') to remember that a tomograph creates images of sections of something.