x_ray has definitions from the fields of photography,physics
1
[ noun ] (physics) electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target

Used in print

(Frank Oppenheimer, "Science and Fear-- A Discussion...)

In_fact , the recent warnings about the use of X-rays have introduced fears and ambiguities of action which now require more detailed understanding , and thus in_this instance , science has momentarily aggravated our fears .

(James A. Ibers et al., "Proton magnetic resonance...)

There is , then , the possibility that this **f bond is symmetric , although Douglass was unable to determine its symmetry from his x-ray data .

X-ray and experimental density showed one formula unit in the unit_cell , corresponding to a paramagnetic ion density of **f .

The x-ray data did not permit Douglass to determine uniquely the space group , but a negative test for piezoelectricity led him to assume a center of symmetry .

The x-ray data are consistent with particle sizes of 1000 A or greater .

2
[ noun ] (photography) a radiogram made by exposing photographic film to X rays; used in medical diagnosis
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