"sand battery" meaning in English

{
  "forms": [
    {
      "form": "sand batteries",
      "tags": [
        "plural"
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      "expansion": "sand battery (plural sand batteries)",
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "kind": "topical",
          "langcode": "en",
          "name": "Electronics",
          "orig": "en:Electronics",
          "parents": [
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            "Fundamental"
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        }
      ],
      "glosses": [
        "An unspillable electrochemical battery whose cells use electrolyte soaked sand – typically used to test telegraph cables at sea."
      ],
      "id": "en-sand_battery-en-noun-NNul1E9q",
      "links": [
        [
          "electronics",
          "electronics"
        ],
        [
          "electrochemical",
          "electrochemical"
        ],
        [
          "battery",
          "battery"
        ],
        [
          "cells",
          "electrochemical cell"
        ],
        [
          "electrolyte",
          "electrolyte"
        ],
        [
          "telegraph",
          "telegraph"
        ]
      ],
      "raw_glosses": [
        "(electronics, historical) An unspillable electrochemical battery whose cells use electrolyte soaked sand – typically used to test telegraph cables at sea."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "electronics",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    },
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          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
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            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A sand fort equipped with an artillery battery, frequently found in coastal defense, usually having organic infantry attached."
      ],
      "id": "en-sand_battery-en-noun-eFl1ZRHY",
      "links": [
        [
          "military",
          "military"
        ]
      ],
      "raw_glosses": [
        "(military, historical) A sand fort equipped with an artillery battery, frequently found in coastal defense, usually having organic infantry attached."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    },
    {
      "categories": [
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          "kind": "topical",
          "langcode": "en",
          "name": "Thermodynamics",
          "orig": "en:Thermodynamics",
          "parents": [
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            "Sciences",
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            "Fundamental"
          ],
          "source": "w"
        },
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        },
        {
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          "name": "Pages with 1 entry",
          "parents": [],
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        },
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          "_dis": "15 29 56",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A thermal storage battery which uses sand as the storage medium."
      ],
      "id": "en-sand_battery-en-noun-G0jVa407",
      "links": [
        [
          "thermodynamics",
          "thermodynamics"
        ]
      ],
      "qualifier": "industrial planning",
      "raw_glosses": [
        "(thermodynamics, industrial planning) A thermal storage battery which uses sand as the storage medium."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics",
        "thermodynamics"
      ]
    }
  ],
  "wikipedia": [
    "en:sand battery"
  ],
  "word": "sand battery"
}

{
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    "English lemmas",
    "English multiword terms",
    "English nouns",
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  "forms": [
    {
      "form": "sand batteries",
      "tags": [
        "plural"
      ]
    }
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      "expansion": "sand battery (plural sand batteries)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with historical senses",
        "en:Electronics"
      ],
      "glosses": [
        "An unspillable electrochemical battery whose cells use electrolyte soaked sand – typically used to test telegraph cables at sea."
      ],
      "links": [
        [
          "electronics",
          "electronics"
        ],
        [
          "electrochemical",
          "electrochemical"
        ],
        [
          "battery",
          "battery"
        ],
        [
          "cells",
          "electrochemical cell"
        ],
        [
          "electrolyte",
          "electrolyte"
        ],
        [
          "telegraph",
          "telegraph"
        ]
      ],
      "raw_glosses": [
        "(electronics, historical) An unspillable electrochemical battery whose cells use electrolyte soaked sand – typically used to test telegraph cables at sea."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "electronics",
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        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "categories": [
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      ],
      "glosses": [
        "A sand fort equipped with an artillery battery, frequently found in coastal defense, usually having organic infantry attached."
      ],
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        [
          "military",
          "military"
        ]
      ],
      "raw_glosses": [
        "(military, historical) A sand fort equipped with an artillery battery, frequently found in coastal defense, usually having organic infantry attached."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    },
    {
      "categories": [
        "en:Thermodynamics"
      ],
      "glosses": [
        "A thermal storage battery which uses sand as the storage medium."
      ],
      "links": [
        [
          "thermodynamics",
          "thermodynamics"
        ]
      ],
      "qualifier": "industrial planning",
      "raw_glosses": [
        "(thermodynamics, industrial planning) A thermal storage battery which uses sand as the storage medium."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics",
        "thermodynamics"
      ]
    }
  ],
  "wikipedia": [
    "en:sand battery"
  ],
  "word": "sand battery"
}