Related Clues:
- Hen, e.g.
- Productive hen
- Air element
- Gas in bulbs
- Rare gas
- Element whose name roughly means 'lazy'
- One may be created in Photoshop
- Onion part
- Fluorescent bulb gas
- Added cold protection
- Cold-weather-wear unit
- Third-most common gas in the atmosphere
- Element in air
- Incandescent bulb gas
- Almost 1% of the Earth's atmosphere