"π bond" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "word": "pi bond"
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          "orig": "en:Chemistry",
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      ],
      "glosses": [
        "Alternative form of pi bond"
      ],
      "id": "en-π_bond-en-noun-G2xyAG8F",
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          "chemistry",
          "chemistry"
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          "pi bond",
          "pi bond#English"
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        "(chemistry) Alternative form of pi bond"
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        "chemistry",
        "natural-sciences",
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  "word": "π bond"
}

{
  "forms": [
    {
      "form": "π bonds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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  "lang_code": "en",
  "pos": "noun",
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          "word": "pi bond"
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      "glosses": [
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}