n. X光照相术

[医] X线照相术

[ noun ]
the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light
<noun.process>

Skiagraph \Ski"a*graph\, n. Skiagraphy \Ski*ag"ra*phy\, n., etc.
See {Sciagraph}, {Sciagraphy}, etc.
[Webster 1913 Suppl.]