"halfmer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "half",
        "3": "polymer"
      },
      "expansion": "Blend of half + polymer",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of half + polymer",
  "forms": [
    {
      "form": "halfmers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "halfmer (plural halfmers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English blends",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Either half of an approximately symmetrical polymer."
      ],
      "id": "en-halfmer-en-noun-YVBf7~MA",
      "links": [
        [
          "half",
          "half"
        ],
        [
          "symmetrical",
          "symmetrical"
        ],
        [
          "polymer",
          "polymer"
        ]
      ]
    }
  ],
  "word": "halfmer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "half",
        "3": "polymer"
      },
      "expansion": "Blend of half + polymer",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of half + polymer",
  "forms": [
    {
      "form": "halfmers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "halfmer (plural halfmers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English blends",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Pages with 1 entry",
        "en:Organic chemistry"
      ],
      "glosses": [
        "Either half of an approximately symmetrical polymer."
      ],
      "links": [
        [
          "half",
          "half"
        ],
        [
          "symmetrical",
          "symmetrical"
        ],
        [
          "polymer",
          "polymer"
        ]
      ]
    }
  ],
  "word": "halfmer"
}