"GTN" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "extra": "nitroglycerine",
          "word": "glyceryl trinitrate"
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        "Initialism of glyceryl trinitrate (“nitroglycerine”)."
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        "(organic chemistry) Initialism of glyceryl trinitrate (“nitroglycerine”)."
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  "word": "GTN"
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "extra": "nitroglycerine",
          "word": "glyceryl trinitrate"
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        "Initialism of glyceryl trinitrate (“nitroglycerine”)."
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        "(organic chemistry) Initialism of glyceryl trinitrate (“nitroglycerine”)."
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  "word": "GTN"
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