from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An organism that engages in denitrification, the removal of nitrates from the environment
from The Century Dictionary and Cyclopedia
- n. That which destroys or prevents the formation of nitric acid or nitrates, as certain ferments in the decomposition of nitrogenous organic matter.
- n. In bacteriology, any micro-organism which is capable of breaking down nitrates into nitrites, and nitrites into ammonia compounds, or of liberating nitrogen from any of these.
denitrify + -er (Wiktionary)