__ Bulb, Type of Bright Light Using Inert Gas
This page is the CodyCross answer for the clue below from Transport, Group 111, Puzzle 5.
Question is: __ Bulb, Type of Bright Light Using Inert Gas
and the answer is: HALOGEN
Word Meaning:
HALOGEN — (chemistry) Any element of group 17, i.e. fluorine, chlorine, bromine, iodine, astatine and tennessine.
Definitions from Wiktionary.