plural of X-ray tetra

(electronics) A vacuum tube that displays still or moving images (such as for a television), by controlling the direction of a cathode ray emitted towards the front of the tube. The front is coated by a layer of fluorescent material, so that it emits light when struck by the beam.

(astronomy) An observational branch of astronomy, which deals with the study of gamma-ray emission from celestial objects.

plural of X-ray telescope

plural of gamma-ray burst

plural of X-ray fluorescence

plural of X-ray tube

plural of X-ray photograph

plural of X-ray binary

plural of X-ray microscope