Enter a clue or pattern or both:
The Clue
Picture produced by X-rays (8 letter answer)
The Answer
SKIAGRAM
Tags
Notes
The answer SKIAGRAM is so rare that it appears less than once every 2500 puzzles.
Definition
SKIAGRAM as a noun:
1. (radiogram, radiograph, shadowgraph, skiagraph, skiagram) = a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)