"Hayflick limit" meaning in English

{
  "etymology_text": "Named after Leonard Hayflick, who discovered it in 1961.",
  "forms": [
    {
      "form": "Hayflick limits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Hayflick limit (plural Hayflick limits)",
      "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"
        },
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The number of times that a normal cell population will divide before it stops, presumably because the telomeres shorten to a critical length."
      ],
      "id": "en-Hayflick_limit-en-noun-vYfnS9sX",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "cell",
          "cell"
        ],
        [
          "population",
          "population"
        ],
        [
          "divide",
          "divide"
        ],
        [
          "telomere",
          "telomere"
        ]
      ],
      "raw_glosses": [
        "(biology) The number of times that a normal cell population will divide before it stops, presumably because the telomeres shorten to a critical length."
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ],
      "wikipedia": [
        "Hayflick limit",
        "Leonard Hayflick"
      ]
    }
  ],
  "word": "Hayflick limit"
}

{
  "etymology_text": "Named after Leonard Hayflick, who discovered it in 1961.",
  "forms": [
    {
      "form": "Hayflick limits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Hayflick limit (plural Hayflick limits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Biology"
      ],
      "glosses": [
        "The number of times that a normal cell population will divide before it stops, presumably because the telomeres shorten to a critical length."
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "cell",
          "cell"
        ],
        [
          "population",
          "population"
        ],
        [
          "divide",
          "divide"
        ],
        [
          "telomere",
          "telomere"
        ]
      ],
      "raw_glosses": [
        "(biology) The number of times that a normal cell population will divide before it stops, presumably because the telomeres shorten to a critical length."
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ],
      "wikipedia": [
        "Hayflick limit",
        "Leonard Hayflick"
      ]
    }
  ],
  "word": "Hayflick limit"
}