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