Nitrogen
101nitrogen cycle — series of flows in an ecosystem which move nitrogen between various stores and allow it to perform functions essential for life. At its simplest level, nitrogen in the form of nitrates is taken in by plant roots and built into proteins which… …
102nitrogen fixation — a process carried out by certain algae and soil bacteria whereby atmospheric nitrogen is incorporated to form nitrogen based organic compounds. A crucial part of the nitrogen cycle …
103nitrogen fixation — /naɪtrədʒən fɪkˈseɪʃən/ (say nuytruhjuhn fik sayshuhn) noun 1. any process of combining free nitrogen from the air with other elements, either by chemical means or by bacterial action, used especially in the preparation of fertilisers, industrial …
104nitrogen dioxide — noun a highly poisonous brown gas (NO2) • Hypernyms: ↑dioxide, ↑gas * * * ˌnitrogen diˈoxide 7 [nitrogen dioxide] noun uncountable …
105nitrogen-bearing — adjective of or relating to or containing nitrogen • Syn: ↑nitrogenous • Pertains to noun: ↑nitrogen (for: ↑nitrogenous) • Derivationally related forms: ↑nitrogen ( …
106nitrogen pentoxide — noun : a white crystalline unstable compound N2O5 obtainable by oxidation of nitrogen dioxide with ozone or by dehydration of nitric acid and yielding nitric acid on combination with water with evolution of much heat; di nitrogen pentoxide called …
107nitrogen trioxide — noun : a compound N2O3 obtained at a low temperature as a deep blue unstable liquid that readily decomposes into nitric oxide and nitrogen dioxide; di nitrogen trioxide called also nitrogen (III) oxide, nitrous anhydride …
108nitrogen balance — noun Date: 1944 the difference between nitrogen intake and nitrogen loss in the body or the soil …
109nitrogen cycle — noun Date: 1908 a continuous series of natural processes by which nitrogen passes successively from air to soil to organisms and back to air or soil involving principally nitrogen fixation, nitrification, decay, and denitrification …
110nitrogen-fixing — adjective Date: 1899 capable of nitrogen fixation < nitrogen fixing bacteria > …
