nitrogen
1. [ noun ] (chemistry) a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
Synonyms: atomic_number_7 N
Related terms: gas chemical_element liquid_nitrogen azote air nitrify
Similar spelling:   nitrogenous
  nitrogenize
  nitrogenise
  nitrogenase
  Nitrospan
  nitrous
  Nidaros