denitrate
/ˌdɛnɪˈtreɪt/Definitions
1. verb
to remove or cause to be removed from a nitrate compound, especially to convert nitrates into nitrogen
“The process of denitrating the soil helped to prevent excessive growth of algae.”
2. verb
to reduce the nitrogen content of a substance, especially a body of water
“The denitration of the river helped to improve its water quality.”
3. verb
to convert nitrates into nitrogen gas
“The denitration reaction in the reactor reduced the amount of nitrogen oxides in the atmosphere.”