"NHN" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "word": "nickel hydrazine nitrate"
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        "(chemistry) Initialism of nickel hydrazine nitrate (an explosive)."
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  "word": "NHN"
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  "lang_code": "en",
  "pos": "noun",
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  "word": "NHN"
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