"lagging strand" meaning in English

{
  "forms": [
    {
      "form": "lagging strands",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lagging strand (plural lagging strands)",
      "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"
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          "source": "w"
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        {
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          "name": "Terms with Mandarin translations",
          "parents": [],
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Genetics",
          "orig": "en:Genetics",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The strand of DNA that is replicated from the 5' to the 3' direction."
      ],
      "id": "en-lagging_strand-en-noun-4g01izgj",
      "links": [
        [
          "genetics",
          "genetics"
        ],
        [
          "DNA",
          "DNA"
        ],
        [
          "replicated",
          "replicated"
        ]
      ],
      "raw_glosses": [
        "(genetics) The strand of DNA that is replicated from the 5' to the 3' direction."
      ],
      "related": [
        {
          "word": "leading strand"
        },
        {
          "word": "replication fork"
        },
        {
          "word": "Okazaki fragment"
        }
      ],
      "topics": [
        "biology",
        "genetics",
        "medicine",
        "natural-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "hòusuí liàn",
          "sense": "a strand of new DNA whose direction of synthesis is opposite to the direction of the growing replication fork",
          "word": "后随链"
        }
      ],
      "wikipedia": [
        "lagging strand"
      ]
    }
  ],
  "word": "lagging strand"
}

{
  "forms": [
    {
      "form": "lagging strands",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lagging strand (plural lagging strands)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "leading strand"
    },
    {
      "word": "replication fork"
    },
    {
      "word": "Okazaki fragment"
    }
  ],
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Mandarin translations",
        "en:Genetics"
      ],
      "glosses": [
        "The strand of DNA that is replicated from the 5' to the 3' direction."
      ],
      "links": [
        [
          "genetics",
          "genetics"
        ],
        [
          "DNA",
          "DNA"
        ],
        [
          "replicated",
          "replicated"
        ]
      ],
      "raw_glosses": [
        "(genetics) The strand of DNA that is replicated from the 5' to the 3' direction."
      ],
      "topics": [
        "biology",
        "genetics",
        "medicine",
        "natural-sciences",
        "sciences"
      ],
      "wikipedia": [
        "lagging strand"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "hòusuí liàn",
      "sense": "a strand of new DNA whose direction of synthesis is opposite to the direction of the growing replication fork",
      "word": "后随链"
    }
  ],
  "word": "lagging strand"
}