tomography

UK: təˈmɒɡrəfi | US: təˈmɑːɡrəfi

Definition

  1. n. a technique for displaying a cross-section of a solid object (e.g., the human body) using X-rays or ultrasound.

Structure
tomo <slice/section (from Greek *tomos*)>graphy <writing/recording (from Greek *-graphia*)>
Etymology

The word tomography combines Greek tomos ("a cutting, slice") and -graphia ("writing/recording"). It reflects the method's core principle: capturing detailed "slices" of an object (like a body part) and compiling them into a complete image. The term emerged in the 20th century with advancements in medical imaging, blending ancient Greek roots to describe modern technology.

Examples

  1. Doctors used computed tomography (CT) to locate the tumor.

  2. Tomography provides clearer images than traditional X-rays.

  3. The research team improved the resolution of their tomography scans.

  4. Modern tomography techniques reduce radiation exposure.

  5. She specializes in seismic tomography for geological studies.