1. nitrogen narcosis confused or stuporous state caused by high levels of dissolved nitrogen in the blood
  2. nitrogen dioxide a highly poisonous brown gas (NO2)
  3. nitrogen oxide any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts
  4. nitrogen trichloride a yellow pungent volatile oil (trade name Agene) formerly used for bleaching and aging flour
  5. hydrogen peroxide a viscous liquid with strong oxidizing properties
  6. nitrogenous of or relating to or containing nitrogen
  7. nitrogen cycle the circulation of nitrogen
  8. nitrogenase an enzyme of nitrogen-fixing microorganisms that catalyzes the conversion of nitrogen to ammonia
  9. nitrogen balance the balance between the amount of nitrogen taken in (to the soil or the body) and the amount given off (lost or excreted)
  10. nitrogen fixation the assimilation of atmospheric nitrogen by soil bacteria and its release for plant use on the death of the bacteria
  11. nitrogen-bearing of or relating to or containing nitrogen
  12. neurogenesis the development of nerve tissues
  13. estrogen antagonist an antagonist for estrogen that is used in the treatment of breast cancer
  14. heterogeneous consisting of elements not of the same kind or nature
  15. nitrogenise treat with nitrogen or a nitrogen compound
  16. heterogenesis the alternation of two or more different forms in the life cycle of a plant or animal
  17. nitrogen-fixing contributing to the process of nitrogen fixation
  18. androgenesis male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization
  19. Natrix natrix harmless European snake with a bright yellow collar
  20. nitrogenize treat with nitrogen or a nitrogen compound