"combining mark" meaning in English

{
  "forms": [
    {
      "form": "combining marks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "combining mark (plural combining marks)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2011, David Flanagan, JavaScript: The Definitive Guide, O'Reilly, →ISBN, page 22:",
          "text": "Unicode allows more than one way of encoding the same character. The string “é”, for example, can be encoded as the single Unicode character \\u00E9 or as a regular ASCII e followed by the acute accent combining mark \\u0301.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Synonym of combining character"
      ],
      "id": "en-combining_mark-en-noun-~UTAI-0i",
      "links": [
        [
          "Unicode",
          "Unicode"
        ],
        [
          "combining character",
          "combining character#English"
        ]
      ],
      "qualifier": "Unicode",
      "raw_glosses": [
        "(Unicode) Synonym of combining character"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "combining character"
        }
      ]
    }
  ],
  "word": "combining mark"
}

{
  "forms": [
    {
      "form": "combining marks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "combining mark (plural combining marks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2011, David Flanagan, JavaScript: The Definitive Guide, O'Reilly, →ISBN, page 22:",
          "text": "Unicode allows more than one way of encoding the same character. The string “é”, for example, can be encoded as the single Unicode character \\u00E9 or as a regular ASCII e followed by the acute accent combining mark \\u0301.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Synonym of combining character"
      ],
      "links": [
        [
          "Unicode",
          "Unicode"
        ],
        [
          "combining character",
          "combining character#English"
        ]
      ],
      "qualifier": "Unicode",
      "raw_glosses": [
        "(Unicode) Synonym of combining character"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "combining character"
        }
      ]
    }
  ],
  "word": "combining mark"
}