"Clark cell" meaning in English

{
  "etymology_text": "Invented by English engineer Josiah Latimer Clark in 1873.",
  "forms": [
    {
      "form": "Clark cells",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Clark cell (plural Clark cells)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
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      ],
      "glosses": [
        "A kind of wet-chemical cell that produces a highly stable voltage."
      ],
      "id": "en-Clark_cell-en-noun-6a7jLDfj"
    }
  ],
  "word": "Clark cell"
}

{
  "etymology_text": "Invented by English engineer Josiah Latimer Clark in 1873.",
  "forms": [
    {
      "form": "Clark cells",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Clark cell (plural Clark cells)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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      ],
      "glosses": [
        "A kind of wet-chemical cell that produces a highly stable voltage."
      ]
    }
  ],
  "word": "Clark cell"
}