"biharmonic" meaning in English

{
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    {
      "args": {
        "1": "en",
        "2": "bi",
        "3": "harmonic"
      },
      "expansion": "bi- + harmonic",
      "name": "prefix"
    }
  ],
  "etymology_text": "bi- + harmonic",
  "head_templates": [
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      "args": {
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      "expansion": "biharmonic (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
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          "source": "w"
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          "_dis": "80 20",
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          "name": "English entries with incorrect language header",
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          "source": "w+disamb"
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          "kind": "other",
          "name": "English terms prefixed with bi-",
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      ],
      "glosses": [
        "Describing a class of fourth-order partial differential equations which arises in areas of continuum mechanics"
      ],
      "id": "en-biharmonic-en-adj-u~TH8EEI",
      "links": [
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          "mathematics",
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        [
          "partial differential equation",
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        ],
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          "continuum mechanics",
          "continuum mechanics"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Describing a class of fourth-order partial differential equations which arises in areas of continuum mechanics"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "wikipedia": [
    "Biharmonic equation"
  ],
  "word": "biharmonic"
}

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        "2": "bi",
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      "expansion": "bi- + harmonic",
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    }
  ],
  "etymology_text": "bi- + harmonic",
  "forms": [
    {
      "form": "biharmonics",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "biharmonic (plural biharmonics)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Any equation of this kind."
      ],
      "id": "en-biharmonic-en-noun-KlH4Rk6v"
    }
  ],
  "word": "biharmonic"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with bi-",
    "English uncomparable adjectives"
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  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bi",
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      "expansion": "bi- + harmonic",
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  ],
  "etymology_text": "bi- + harmonic",
  "head_templates": [
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      "args": {
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      "expansion": "biharmonic (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
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        "en:Mathematics"
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      "glosses": [
        "Describing a class of fourth-order partial differential equations which arises in areas of continuum mechanics"
      ],
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          "mathematics",
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          "partial differential equation",
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          "continuum mechanics",
          "continuum mechanics"
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      "raw_glosses": [
        "(mathematics) Describing a class of fourth-order partial differential equations which arises in areas of continuum mechanics"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "wikipedia": [
    "Biharmonic equation"
  ],
  "word": "biharmonic"
}

{
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    "English lemmas",
    "English nouns",
    "English terms prefixed with bi-",
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    }
  ],
  "etymology_text": "bi- + harmonic",
  "forms": [
    {
      "form": "biharmonics",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "biharmonic (plural biharmonics)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Any equation of this kind."
      ]
    }
  ],
  "word": "biharmonic"
}