"galvanic couple" meaning in English

{
  "forms": [
    {
      "form": "galvanic couples",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "galvanic couple (plural galvanic couples)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "The corrosive cell formed when two different metals are separated by an electrolyte, or the corrosion produced by this effect."
      ],
      "id": "en-galvanic_couple-en-noun-CUjy8KC7",
      "links": [
        [
          "electrolyte",
          "electrolyte"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "30 70",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The pair of plates (made of different metals or other conductive materials) which form a voltaic cell in a battery."
      ],
      "id": "en-galvanic_couple-en-noun-G24I8guC",
      "links": [
        [
          "voltaic cell",
          "voltaic cell"
        ]
      ]
    }
  ],
  "word": "galvanic couple"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "galvanic couples",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "galvanic couple (plural galvanic couples)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "The corrosive cell formed when two different metals are separated by an electrolyte, or the corrosion produced by this effect."
      ],
      "links": [
        [
          "electrolyte",
          "electrolyte"
        ]
      ]
    },
    {
      "glosses": [
        "The pair of plates (made of different metals or other conductive materials) which form a voltaic cell in a battery."
      ],
      "links": [
        [
          "voltaic cell",
          "voltaic cell"
        ]
      ]
    }
  ],
  "word": "galvanic couple"
}