radioscopic

from The Collaborative International Dictionary of English v.0.48

Radioscopy \Ra`di*os"co*py\ (r[=a]`d[i^]*[o^]s"k[-o]*p[y^]), n.
   [Radio- + -scopy.]
   Direct observation of objects opaque to light by means of
   some other form of radiant energy, as x-rays. --
   {Ra`di*o*scop"ic} (r[=a]`d[i^]*[o^]*sk[o^]p"[i^]k),
   {Ra`di*o*scop"ic*al} (r[=a]`d[i^]*[o^]*sk[o^]p"[i^]*kal), a.
   [Webster 1913 Suppl.]