X光线照相术,放射线照相术
Radiography \Ra`di*og"ra*phy\, n. Art or process of making radiographs. -- {Ra`di*o*graph"ic}, {*graph"ic*al}, a. -- {Ra`di*o*graph"ic*al*ly}, adv.
radiography n 1: the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light [syn: {skiagraphy}] 2: photography that uses other kinds of radiation than visible light