| denitrification definitions |
| # | Definition | Sets |
| 1 | conversion of nitrates into nitrogen gas | 54 sets |
| 2 | changing nitrates into nitrogen gas | 14 sets |
| 3 | conversion of nitrates in the soil by bacteria into nitrogen gas | 12 sets |
| 4 | process in which fixed nitrogen compounds are converted back into nitrogen gas and returned to the atmosphere | 7 sets |
| 5 | bacteria convert ammonia back into n | 7 sets |
| 6 | the liberation of nitrogen from nitrogen-containing compounds by bacteria in the soil | 6 sets |
| 7 | the conversion of nitrate to nitrogen gas | 4 sets |
| 8 | the final step in the nitrogen cycle, during which nitrogen gas is returned to the atmosphere | 4 sets |
| 9 | the process in which nitrogen is returned to the atmosphere | 3 sets |
| 10 | the process that releases nitrogen from soil back into the atmosphere | 3 sets |
| 11 | when nitrogen is returned to the atmosphere | 2 sets |
| 12 | conversion of nitrates into nitrogen gas. | 2 sets |
| 13 | a process in which energy is obtained by bacteria by converting nitrates into nitrogen gas, and releasing it into the atmosphere | 2 sets |
| 14 | reduction of nitrates and nitrites to nitrogen by microorganisms | 2 sets |
| 15 | other soil bacteria convert nitrates into nitrogen gas | 2 sets |
| 16 | some soil bacteria convert nitrates into nitrogen gas | 2 sets |
| 17 | soil bacteria convert nitrates into nitrogen gas | 2 sets |
| 18 | process by which certain bacteria convert nitrogen from useable forms back to n2 thus completing the nitrogen cycle | 2 sets |
| 19 | the conversion of nitrate to nitrous oxide and nitrogen gas. | 2 sets |
| 20 | conversion of nitrates and nitrites into nitrogen gas | 2 sets |
| 21 | the liberation of nitrogen from nitrogen containing compounds by bacteria in the soil | 2 sets |
| 22 | the process that releases nitrogen into the atmosphere | 1 set |
| 23 | how nitrogen is returned to the atmosphere | 1 set |
| 24 | the conversiosn of nitrates into nitrogen gas | 1 set |
| 25 | when soils become anaerobic, the soil bacteria use up the oxygen in nitrates and release atmospheric nitrogen back into the air | 1 set |
| 26 | anaerobic conditions; denitrifying bacteria use no3- instead of o2, releasing n2 | 1 set |
| 27 | nitrogen leaves soil as bacetria in waterlogged soil convert ammonia an ammonium ions back into nitrite and nitrate ions and into nitrogen gas and nitrous oxide ga which are realeased to begin nitrogen cycle again | 1 set |
| 28 | the biological reduction of nitrate to nitrogen gas by denitrifying bacteria in soil. | 1 set |
| 29 | the conversion by bacteria of fixed nitrogen compounds to nitrogen gas | 1 set |
| 30 | a process in which some soil bacteria convert fixed nitrogen compounds back into nitrogen gas, which returns it to the atmosphere | 1 set |
| 31 | denitrifying bacteria convert nitrate or nitrite to gaseous nitrogen or to nitrogen oxide | 1 set |
| 32 | converting nitrates (no3) into nitrogen gas (n2) | 1 set |
| 33 | the conversion of nitrate to molecular nitrogen by the action of bacteria - an important step in the nitrogen cycle. | 1 set |
| 34 | is the reduction of nitrate to nitric oxide | 1 set |
| 35 | process by which no3- is converted back to n2 | 1 set |
| 36 | bacteria convert nitrate back into ammonia and nitrate back into n gas | 1 set |
| 37 | process in which bacteria in the soil break down nitrogen compounds into free nitrogen. | 1 set |
| 38 | convert nitrates into nitrogen gas | 1 set |
| 39 | process where nitrate is converted into nitrogen gas | 1 set |
| 40 | converts nitrates into nitrogen gas and releases them back into the atmosphere | 1 set |