- An instrument which takes a computed tomography. It is an abbreviation of computed tomography scanner, computerized tomography scanner, or computer tomography scanner.
- synonymcomputer tomography scanner
- synonymcomputerized tomography scanner
- synonymcomputerized axial tomography scanner
- noun a device which directs a narrow X-ray beam at a thin section of the body from various angles, using a computer to build up a complete picture of the cross-section.