/ˌdi:ˈnaɪtrɪfaɪ ||; diˈnaɪtrəˌfaɪ/verb [T] (
present participle denitrifying third person singular present denitrifies;past tense past participle denitrified) (
technical术语) to remove
NITRATES or
NITRITES from sth, especially from soil, air or water 使脱去硝酸盐或亚硝酸盐,使脱硝(尤指从土壤、空气或水中)
☞picture at nitrogen 见nitrogen插图 ➔denitrification /di:ˌnaɪtrɪfɪˈkeɪʃn ||; diˌnaɪtrɪfɪˈkeʃən/ noun [U]