"dieback" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "ash dieback"
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      "_dis1": "0 0",
      "word": "citrus dieback"
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  "etymology_text": "Deverbal from die back.",
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  "lang_code": "en",
  "pos": "noun",
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      "_dis1": "0 0",
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      "word": "die back"
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  "senses": [
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          "name": "Phytopathology",
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          "ref": "2021 December 12, “The Guardian view on ash dieback: a tiny chink of hope”, in The Guardian:",
          "text": "The National Trust reports that 30,000 ash trees on its land will have been felled this year owing to ash dieback. “Dieback” sounds like a gentle, seasonal withdrawal. In fact, ash dieback is a devastating disease caused by a fungus, Hymenoscyphus fraxineus, likely to have been carried into the UK on imported ash saplings in the early part of this century.",
          "type": "quotation"
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      "glosses": [
        "The browning and death of a plant shoot starting at the tip, due to either disease or climate conditions."
      ],
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          "browning",
          "browning"
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          "death",
          "death"
        ],
        [
          "plant",
          "plant"
        ],
        [
          "shoot",
          "shoot"
        ],
        [
          "tip",
          "tip"
        ],
        [
          "disease",
          "disease"
        ],
        [
          "climate",
          "climate"
        ]
      ],
      "raw_glosses": [
        "(phytopathology) The browning and death of a plant shoot starting at the tip, due to either disease or climate conditions."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "biology",
        "botany",
        "medicine",
        "natural-sciences",
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      "glosses": [
        "The withering of a plant, especially the cyclical withering in autumn and winter; distal parts die off but core parts stay alive (and semidormant or dormant)."
      ],
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        "(botany) The withering of a plant, especially the cyclical withering in autumn and winter; distal parts die off but core parts stay alive (and semidormant or dormant)."
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        "uncountable"
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  "word": "dieback"
}

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          "ref": "2021 December 12, “The Guardian view on ash dieback: a tiny chink of hope”, in The Guardian:",
          "text": "The National Trust reports that 30,000 ash trees on its land will have been felled this year owing to ash dieback. “Dieback” sounds like a gentle, seasonal withdrawal. In fact, ash dieback is a devastating disease caused by a fungus, Hymenoscyphus fraxineus, likely to have been carried into the UK on imported ash saplings in the early part of this century.",
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        "The browning and death of a plant shoot starting at the tip, due to either disease or climate conditions."
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          "browning",
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          "death",
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          "plant",
          "plant"
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          "shoot",
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          "tip",
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          "disease",
          "disease"
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          "climate",
          "climate"
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      "raw_glosses": [
        "(phytopathology) The browning and death of a plant shoot starting at the tip, due to either disease or climate conditions."
      ],
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      ],
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        "The withering of a plant, especially the cyclical withering in autumn and winter; distal parts die off but core parts stay alive (and semidormant or dormant)."
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        "(botany) The withering of a plant, especially the cyclical withering in autumn and winter; distal parts die off but core parts stay alive (and semidormant or dormant)."
      ],
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  "word": "dieback"
}