"petajoule" meaning in English

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      "expansion": "peta- + joule",
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  ],
  "etymology_text": "From peta- + joule.",
  "forms": [
    {
      "form": "petajoules",
      "tags": [
        "plural"
      ]
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  "pos": "noun",
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      ],
      "glosses": [
        "An SI unit of energy equal to 10¹⁵ joules. Symbol: PJ"
      ],
      "id": "en-petajoule-en-noun-kPFrwSTn",
      "links": [
        [
          "metrology",
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          "energy",
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        [
          "joule",
          "joule"
        ],
        [
          "PJ",
          "PJ"
        ]
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      "raw_glosses": [
        "(metrology) An SI unit of energy equal to 10¹⁵ joules. Symbol: PJ"
      ],
      "synonyms": [
        {
          "sense": "Symbol",
          "word": "PJ"
        }
      ],
      "topics": [
        "metrology"
      ],
      "translations": [
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "1015 joules",
          "tags": [
            "masculine"
          ],
          "word": "petajoule"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-uːl"
    }
  ],
  "word": "petajoule"
}

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  ],
  "etymology_text": "From peta- + joule.",
  "forms": [
    {
      "form": "petajoules",
      "tags": [
        "plural"
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        "An SI unit of energy equal to 10¹⁵ joules. Symbol: PJ"
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        "(metrology) An SI unit of energy equal to 10¹⁵ joules. Symbol: PJ"
      ],
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        "metrology"
      ]
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    {
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      "sense": "1015 joules",
      "tags": [
        "masculine"
      ],
      "word": "petajoule"
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  "word": "petajoule"
}