"perchromic acid" meaning in English

{
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      "args": {
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        "2": "per-",
        "3": "chromic"
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      "expansion": "per- + chromic",
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    }
  ],
  "etymology_text": "per- + chromic + acid",
  "head_templates": [
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      "expansion": "perchromic acid (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "Chemistry",
          "orig": "en:Chemistry",
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        }
      ],
      "glosses": [
        "A certain highly oxidized compound of chromium, with a deep blue colour, and produced by the action of hydrogen peroxide."
      ],
      "id": "en-perchromic_acid-en-noun-mWW0AhH0",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "oxidize",
          "oxidize"
        ],
        [
          "compound",
          "compound"
        ],
        [
          "chromium",
          "chromium"
        ],
        [
          "hydrogen peroxide",
          "hydrogen peroxide"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A certain highly oxidized compound of chromium, with a deep blue colour, and produced by the action of hydrogen peroxide."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "perchromic acid"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "per-",
        "3": "chromic"
      },
      "expansion": "per- + chromic",
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    }
  ],
  "etymology_text": "per- + chromic + acid",
  "head_templates": [
    {
      "args": {
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      "expansion": "perchromic acid (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English multiword terms",
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      ],
      "glosses": [
        "A certain highly oxidized compound of chromium, with a deep blue colour, and produced by the action of hydrogen peroxide."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "oxidize",
          "oxidize"
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        ],
        [
          "chromium",
          "chromium"
        ],
        [
          "hydrogen peroxide",
          "hydrogen peroxide"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A certain highly oxidized compound of chromium, with a deep blue colour, and produced by the action of hydrogen peroxide."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
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  ],
  "word": "perchromic acid"
}