"alternating case" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "alternating",
        "3": "letter case"
      },
      "expansion": "alternating + letter case",
      "name": "compound"
    }
  ],
  "etymology_text": "alternating + letter case",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "alternating case (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "alternating caps"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1974, Max Coltheart, Roger Freeman, Case alternation impairs word identification",
          "text": "The prose passage was on the left page of a booklet, in upper case, lower case, or alternating case.",
          "type": "quotation"
        },
        {
          "ref": "1979, George W. McConkie, David Zola, [[https://link.springer.com/content/pdf/10.3758/BF03202990.pdf] (PDF Is visual information integrated across successive fixations in reading?])",
          "text": "College students read a passage presented in AlTeRnAtInG cAsE on a CRT while their eye movements were monitored.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of alternating caps"
      ],
      "id": "en-alternating_case-en-noun-yZ4wYFFg",
      "links": [
        [
          "alternating caps",
          "alternating caps#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "uncountable"
      ]
    }
  ],
  "word": "alternating case"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "alternating",
        "3": "letter case"
      },
      "expansion": "alternating + letter case",
      "name": "compound"
    }
  ],
  "etymology_text": "alternating + letter case",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "alternating case (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "alternating caps"
        }
      ],
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1974, Max Coltheart, Roger Freeman, Case alternation impairs word identification",
          "text": "The prose passage was on the left page of a booklet, in upper case, lower case, or alternating case.",
          "type": "quotation"
        },
        {
          "ref": "1979, George W. McConkie, David Zola, [[https://link.springer.com/content/pdf/10.3758/BF03202990.pdf] (PDF Is visual information integrated across successive fixations in reading?])",
          "text": "College students read a passage presented in AlTeRnAtInG cAsE on a CRT while their eye movements were monitored.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of alternating caps"
      ],
      "links": [
        [
          "alternating caps",
          "alternating caps#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "uncountable"
      ]
    }
  ],
  "word": "alternating case"
}