"base anhydride" meaning in English

{
  "forms": [
    {
      "form": "base anhydrides",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "base anhydride (plural base anhydrides)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A class of organic compounds from alkali metals and alkaline earth metals"
      ],
      "id": "en-base_anhydride-en-noun-BIDGYZfX",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "class",
          "class"
        ],
        [
          "organic",
          "organic"
        ],
        [
          "compound",
          "compound"
        ],
        [
          "alkali metal",
          "alkali metal"
        ],
        [
          "alkaline earth metals",
          "alkaline earth metals"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A class of organic compounds from alkali metals and alkaline earth metals"
      ],
      "related": [
        {
          "word": "acid anhydride"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "word": "bezwodnik zasadowy"
        }
      ],
      "wikipedia": [
        "base anhydride"
      ]
    }
  ],
  "word": "base anhydride"
}

{
  "forms": [
    {
      "form": "base anhydrides",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "base anhydride (plural base anhydrides)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "acid anhydride"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Translation table header lacks gloss",
        "en:Organic chemistry"
      ],
      "glosses": [
        "A class of organic compounds from alkali metals and alkaline earth metals"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "class",
          "class"
        ],
        [
          "organic",
          "organic"
        ],
        [
          "compound",
          "compound"
        ],
        [
          "alkali metal",
          "alkali metal"
        ],
        [
          "alkaline earth metals",
          "alkaline earth metals"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A class of organic compounds from alkali metals and alkaline earth metals"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "wikipedia": [
        "base anhydride"
      ]
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "word": "bezwodnik zasadowy"
    }
  ],
  "word": "base anhydride"
}