nitrogens

Noun

nitrogen (countable and uncountable, plural nitrogens)

1. (uncountable) The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
   • Holonyms: dinitrogen, N₂, nitrogen (loose sense)
2. (uncountable, loose but very common, even in formal use) Molecular nitrogen (diatomic nitrogen), N₂, a colorless, odorless gas at room temperature, which constitutes most of air (78% of it).
   • Meronyms: nitrogen (strict sense), N

   Synonyms:

   dinitrogen

3. (countable) A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen.
   • The two nitrogens are located next to one another on the ring.