Noun
tomograph (plural tomographs)
A machine for making an X-ray of a single plane of the body.
At the Jülich Institute of Neurosciences and Biophysics, the world's largest PET-MRI device began operation in April 2009: a 9.4- tesla magnetic resonance tomograph (MRT) combined with a positron emission tomograph (PET). Source: Internet
The atom-probe tomograph has sub-nanometer resolution in 3-D and can chemically identify individual atoms using time-of-flight mass spectrometry. Source: Internet