xi-baryon (defined in gluons, quarks and QCD)

( X-ray) CAT scanning (defined in 2D-FT MR- Imaging and related Nobel awards)

X-ray diffraction (defined in X-ray microscope)

X-ray microscope

X-ray Microscope (defined in X-ray microscope)

X-ray microscopy (defined in DNA molecular models)

X-ray radiography (defined in Atomic and nuclear structure)

X-rays (defined in spectroscopy topics)

X-ray spectroscopy (defined in spectroscopy topics)

X-ray tomograph (defined in X-ray microscope)

X-ray tomograph (=X-ray microscope)