Crossword clues for Gas used in lighting 4 lettersAnswerClueNEONGas used in lightsNEONGas used in lightingNEONGas used in tubular lights.ARGONGas used in light bulbs.ARGONGas used in light bulbs, radio tubes, etc.ARGONGas used in light tubesACETYLENEGas used in lighting.LEGALARGONGas used to light a courtroom?XENONInert gas used in lightsXENONGas used in strobe lights
