radiantgas
nounUK /ˈreɪdiəntɡæs/
US /ˈreɪdiəntɡæs/
A radiant gas is a special gas that gives off bright light and heat.
The lamp glowed because it was filled with a radiant gas.
OTHER MEANINGS
2. A gas that shines with a steady, warm light.
The old streetlight used a radiant gas to shine at night.
3. A gas that sends out heat in all directions.
The heater's radiant gas warmed the whole room.
4. A gas that looks bright and sparkling.
The balloon floated up like a radiant gas in the sky.