"polyalternating" meaning in English

{
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    {
      "args": {
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        "2": "poly",
        "3": "alternating"
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      "expansion": "poly- + alternating",
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    }
  ],
  "etymology_text": "poly- + alternating",
  "head_templates": [
    {
      "args": {
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      "expansion": "polyalternating (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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        {
          "kind": "other",
          "name": "English terms prefixed with poly-",
          "parents": [],
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          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
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      "examples": [
        {
          "ref": "2015 October 24, “Energy Landscape of Alginate-Epimerase Interactions Assessed by Optical Tweezers and Atomic Force Microscopy”, in PLOS ONE, →DOI",
          "text": "Alginates with polyalternating sequences (poly-MG) have also been shown to form ionotropic hydrogels [2, 10, 11 ], however, these are much weaker than those made from alginates with a high content of G-blocks.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Describing a copolymer in which two monomers alternate in position"
      ],
      "id": "en-polyalternating-en-adj-xn3~n-o5",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "copolymer",
          "copolymer"
        ],
        [
          "monomer",
          "monomer"
        ],
        [
          "alternate",
          "alternate"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Describing a copolymer in which two monomers alternate in position"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "polyalternating"
}

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  "etymology_templates": [
    {
      "args": {
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        "2": "poly",
        "3": "alternating"
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      "expansion": "poly- + alternating",
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  ],
  "etymology_text": "poly- + alternating",
  "head_templates": [
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      "expansion": "polyalternating (not comparable)",
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  "lang_code": "en",
  "pos": "adj",
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        {
          "ref": "2015 October 24, “Energy Landscape of Alginate-Epimerase Interactions Assessed by Optical Tweezers and Atomic Force Microscopy”, in PLOS ONE, →DOI",
          "text": "Alginates with polyalternating sequences (poly-MG) have also been shown to form ionotropic hydrogels [2, 10, 11 ], however, these are much weaker than those made from alginates with a high content of G-blocks.",
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      ],
      "glosses": [
        "Describing a copolymer in which two monomers alternate in position"
      ],
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          "chemistry",
          "chemistry"
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          "copolymer",
          "copolymer"
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        [
          "alternate",
          "alternate"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Describing a copolymer in which two monomers alternate in position"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
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  "word": "polyalternating"
}