1 [usu.pl] a kind of light that makes it possible to see inside solid objects, for example the human body, so that they can be examined and a photograph of them can be made X光；X射线

2 a photograph that is made with an X-ray machine X光照片；X射线照片: The X-ray showed that the bone was not broken. X光照片显示骨头没有折断。 ☞Look at ray. 参看ray。 ☞picture at wavelength 见wavelength插图 X-ray verb She had her chest X-rayed. 她做了胸部Ｘ光检查。