"水酸化ナトリウム" meaning in Japanese

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        "2": "水酸化",
        "3": "ナトリウム",
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        "t2": "sodium"
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      "expansion": "水酸化 (“hydroxidation”) + ナトリウム (“sodium”)",
      "name": "af"
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  ],
  "etymology_text": "水酸化 (“hydroxidation”) + ナトリウム (“sodium”)",
  "forms": [
    {
      "form": "水酸化ナトリウム",
      "ruby": [
        [
          "水",
          "すい"
        ],
        [
          "酸",
          "さん"
        ],
        [
          "化",
          "か"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "suisanka natoriumu",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "suisankwa natoriumu",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "すいさんくゎナトリウム",
      "roman": "suisankwa natoriumu",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
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        "hhira": "すいさんくゎ ナトリウム"
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      "name": "ja-noun"
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  "lang_code": "ja",
  "pos": "noun",
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          "name": "Inorganic compounds",
          "orig": "ja:Inorganic compounds",
          "parents": [],
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        }
      ],
      "glosses": [
        "sodium hydroxide"
      ],
      "id": "en-水酸化ナトリウム-ja-noun-cCO9m6jo",
      "links": [
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          "inorganic chemistry",
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          "sodium hydroxide",
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      "raw_glosses": [
        "(inorganic chemistry) sodium hydroxide"
      ],
      "synonyms": [
        {
          "word": "苛性ソーダ"
        }
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        "chemistry",
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        "natural-sciences",
        "physical-sciences"
      ],
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        "ja:水酸化ナトリウム"
      ]
    }
  ],
  "sounds": [
    {
      "other": "すいさんかナトリウム"
    },
    {
      "ipa": "[sɨisã̠ŋka̠ na̠to̞ɾʲiɯ̟mɯ̟]"
    }
  ],
  "word": "水酸化ナトリウム"
}

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        "t2": "sodium"
      },
      "expansion": "水酸化 (“hydroxidation”) + ナトリウム (“sodium”)",
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    }
  ],
  "etymology_text": "水酸化 (“hydroxidation”) + ナトリウム (“sodium”)",
  "forms": [
    {
      "form": "水酸化ナトリウム",
      "ruby": [
        [
          "水",
          "すい"
        ],
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          "酸",
          "さん"
        ],
        [
          "化",
          "か"
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      ],
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      "form": "suisanka natoriumu",
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        "(inorganic chemistry) sodium hydroxide"
      ],
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          "word": "苛性ソーダ"
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        "natural-sciences",
        "physical-sciences"
      ],
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      ]
    }
  ],
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    {
      "other": "すいさんかナトリウム"
    },
    {
      "ipa": "[sɨisã̠ŋka̠ na̠to̞ɾʲiɯ̟mɯ̟]"
    }
  ],
  "word": "水酸化ナトリウム"
}