Invention Somehow Related to X-Rays
This page is the CodyCross answer for the clue below from Inventions, Group 48, Puzzle 4.
Question is: Invention Somehow Related to X-Rays
and the answer is: LIGHTBULB
Word Meaning:
LIGHT BULB — An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.
Definitions from Wiktionary.