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单词 nitrify
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ni•tri•fy  (nī′trə fī′),USA pronunciation v.t., -fied, -fy•ing. 
  1. to oxidize (ammonia, ammonium compounds, or atmospheric nitrogen) to nitrites, nitrates, or their respective acids, esp. by bacterial action.
  2. to impregnate with nitrogen or nitrogen compounds.
  3. to treat or combine with nitrogen or its compounds.
  4. (formerly) to convert into niter.
  • French nitrifier. See nitr-, niter, -i-, -fy
  • 1820–30
ni′tri•fi′a•ble, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
nitrify /ˈnaɪtrɪˌfaɪ/ vb ( -fies, -fying, -fied)(transitive)
  1. to treat or cause to react with nitrogen or a nitrogen compound
  2. to treat (soil) with nitrates
  3. (of nitrobacteria) to convert (ammonium compounds) into nitrates by oxidation
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更新时间：2025/7/23 14:09:12