"double envelopments" meaning in All languages combined

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "form_of": [
        {
          "word": "double envelopment"
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      "glosses": [
        "plural of double envelopment"
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      "id": "en-double_envelopments-en-noun-BQoOk58w",
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  "word": "double envelopments"
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      "expansion": "double envelopments",
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  "word": "double envelopments"
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