EN English dictionary from x ray emission to x, y and zee
- X ray emission
- X ray flare
- X ray flares
- X ray fluorescence
- X ray identification
- X ray identifications
- X ray line
- X ray lines
- X ray luminosity
- X ray maps
- X ray nova
- X ray novas
- X ray observatories
- X ray observatory
- X ray polarization
- X ray pulsar
- X ray pulsars
- X ray quasar
- X ray quasars
- X ray radiation
- X ray scattering
- X ray source
- X ray sources
- X ray spectra
- X ray spectrographs
- X ray spectrometers
- X ray spectroscopy
- X ray spectrum
- X ray specxtrometer
- X ray star
- X ray stars
- X ray structure
- X ray survey
- X ray surveys
- X ray telescope
- X ray telescopes
- X ray transients
- X ray tube
- X rays
- X read-write wire
- X the Experiment
- X times
- x to the nth
- x to the power of n
- X unit
- X window manager
- X Window system
- X Window System core protocol
- X's
- X, Y and Zee