Related Clues:

• Blindingly bright
• Scientific discovery of 1898
• Plymouth model
• Light source
• Broadway luminary?
• Odorless gas
• Ginza night glow
• One of the noble gases
• Dodge model
• None can alter this element
• It's a gas!
• Flash light?
• Glass tube filler
• Advertising element
• Cryogenic refrigerant