X-ray
noun
[ ˈɛksreɪ ]
• an electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.
• a photographic or digital image of the internal composition of something, especially a part of the body, produced by X-rays being passed through it and being absorbed to different degrees by different materials.
• "the fracture was clearly visible on the X-ray"
• a code word representing the letter X, used in radio communication.
X-ray
verb
• photograph or examine with X-rays.
• "luggage bound for the hold is X-rayed"
Origin:
translation of German X-Strahlen (plural), from X- (because, when discovered in 1895, the nature of the rays was unknown) + Strahl ‘ray’.
