Radioscopy
Pronunciation : Ra`di*os"co*py
Part of Speech : n.
Definition : Defn: Direct observation of objects opaque to light by means of some other form of radiant energy, as the R?ntgen rays. -- Ra`di*o*scop"ic (#), *scop"ic*al (#), a.
[Radio- + -scopy.]
Source : Webster's Unabridged Dictionary, 1913