Crossword puzzle clue "sign light gas"

Here are the possible solutions for sign light gas clue

Answer
Clue
Relevancy
neon
Clue
Sign-light gas
Gas in gas station signs
Definition
a gaseous element
argon
Clue
Light gas
Light bulb gas
Light-bulb gas
Gas used in light tubes
Inert gas used to fill light bulbs
Gas used in light bulbs, radio tubes, etc.
Definition
an inert gaseous element

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