Synonyms

1. n
2. atomic number 7

Sentence Examples

1. The airlock pressurized to fifty percent excess with mostly nitrogen and a little oxygen.
2. There was an atmosphere of nitrogen all around her, and all it lacked to be breathable was a fraction of oxygen in it.
3. Carbon and nitrogen were now available to all the settlements outside of Earth, at a fraction of the cost it took to launch from the massive Terran gravity well.
4. Then she could let nitrogen from the atmosphere refill her helmet and add oxygen from the cartridge.
5. This suit was much smarter than anything else she owned, and it knew higher oxygen and lower nitrogen in the mix would be needed.