Helium or hydrogen – Crossword Clue

What GAS means

1. nounthe state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ab
2. nouna fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
3. nouna volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines

Where this clue appeared

Other clues for GAS

• Utility bill item
• Tank filler
• Hydrogen or helium
• Word after laughing or natural
• Rightmost pedal
• Pedal next to the brake
• Chevron product
• "Now we're cookin' with ___!"
• Helium or oxygen
• Alternative to liquid or solid
• Rest stop offering
• Car fuel