denitrify
verb /ˌdiːˈnaɪtrɪfaɪ/
  /ˌdiːˈnaɪtrɪfaɪ/
(chemistry)Verb Forms
| present simple I / you / we / they denitrify |    /ˌdiːˈnaɪtrɪfaɪ/   /ˌdiːˈnaɪtrɪfaɪ/  | 
| he / she / it denitrifies |    /ˌdiːˈnaɪtrɪfaɪz/   /ˌdiːˈnaɪtrɪfaɪz/  | 
| past simple denitrified |    /ˌdiːˈnaɪtrɪfaɪd/   /ˌdiːˈnaɪtrɪfaɪd/  | 
| past participle denitrified |    /ˌdiːˈnaɪtrɪfaɪd/   /ˌdiːˈnaɪtrɪfaɪd/  | 
| -ing form denitrifying |    /ˌdiːˈnaɪtrɪfaɪɪŋ/   /ˌdiːˈnaɪtrɪfaɪɪŋ/  | 
- denitrify something to remove nitrates or nitrites from something, especially from soil, air or water