"sialylated" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sialylated (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biochemistry",
          "orig": "en:Biochemistry",
          "parents": [
            "Biology",
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "polysialylated"
        },
        {
          "word": "tetrasialylated"
        }
      ],
      "glosses": [
        "Having been reacted with sialic acid or its derivatives; used especially with oligosaccharides."
      ],
      "id": "en-sialylated-en-adj-0jftinDU",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "reacted",
          "reacted"
        ],
        [
          "sialic acid",
          "sialic acid"
        ],
        [
          "oligosaccharide",
          "oligosaccharide"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) Having been reacted with sialic acid or its derivatives; used especially with oligosaccharides."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "sialylated"
}

{
  "derived": [
    {
      "word": "polysialylated"
    },
    {
      "word": "tetrasialylated"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sialylated (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English uncomparable adjectives",
        "en:Biochemistry"
      ],
      "glosses": [
        "Having been reacted with sialic acid or its derivatives; used especially with oligosaccharides."
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "reacted",
          "reacted"
        ],
        [
          "sialic acid",
          "sialic acid"
        ],
        [
          "oligosaccharide",
          "oligosaccharide"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) Having been reacted with sialic acid or its derivatives; used especially with oligosaccharides."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "sialylated"
}