"trigenic acid" meaning in English

{
  "etymology_text": "So called because it is supposed to contain the radicals of three molecules of cyanic acid.",
  "head_templates": [
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      "expansion": "trigenic acid (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "English entries with incorrect language header",
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          "langcode": "en",
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          "orig": "en:Chemistry",
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      ],
      "glosses": [
        "An acid, C₄H₇N₃O₂, obtained by the action of cyanic acid vapour on cold aldehyde."
      ],
      "id": "en-trigenic_acid-en-noun-WiBCU-WK",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "acid",
          "acid"
        ],
        [
          "cyanic acid",
          "cyanic acid"
        ],
        [
          "aldehyde",
          "aldehyde"
        ]
      ],
      "raw_glosses": [
        "(chemistry) An acid, C₄H₇N₃O₂, obtained by the action of cyanic acid vapour on cold aldehyde."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "trigenic acid"
}

{
  "etymology_text": "So called because it is supposed to contain the radicals of three molecules of cyanic acid.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "trigenic acid (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
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        "en:Chemistry"
      ],
      "glosses": [
        "An acid, C₄H₇N₃O₂, obtained by the action of cyanic acid vapour on cold aldehyde."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "acid",
          "acid"
        ],
        [
          "cyanic acid",
          "cyanic acid"
        ],
        [
          "aldehyde",
          "aldehyde"
        ]
      ],
      "raw_glosses": [
        "(chemistry) An acid, C₄H₇N₃O₂, obtained by the action of cyanic acid vapour on cold aldehyde."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "trigenic acid"
}