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单词 nitrate
释义

WordReference Random House Learner's Dictionary of American English © 2024
ni•trate /ˈnaɪtreɪt, -trɪt/USA pronunciation   n. [countable]
  1. Chemistrya chemical compound with nitrogen and oxygen in it.
  2. Chemistry, Agriculturefertilizer made up of potassium nitrate or sodium nitrate.

WordReference Random House Unabridged Dictionary of American English © 2024
ni•trate  (n. nī′trāt, -trit;v. nī′trāt),USA pronunciation n., v., -trat•ed, -trat•ing. 
n. 
  1. [Chem.]a salt or ester of nitric acid, or any compound containing the univalent group –ONO2 or NO3.
  2. fertilizer consisting of potassium nitrate or sodium nitrate.
  3. Cinemacellulose nitrate, a substance used as a film base in the early days of filmmaking.
  4. Cinema[Informal.]See nitrate film. 

v.t. 
  1. to treat with nitric acid or a nitrate.
  2. to convert into a nitrate.
  • nitr- + -ate2 1785–95
ni•tra′tion, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
nitrate /ˈnaɪtreɪt/ n
  1. any salt or ester of nitric acid, such as sodium nitrate, NaNO3
  2. a fertilizer consisting of or containing nitrate salts
 vb
  1. (transitive) to treat with nitric acid or a nitrate
  2. to convert or be converted into a nitrate

niˈtration n
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更新时间：2025/2/23 12:42:32