"L5" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "alt_of": [
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          "word": "Lagrange point 5"
        },
        {
          "word": "located 60 degrees behind the smaller object along its orbit around the larger object"
        }
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          "langcode": "en",
          "name": "Astrophysics",
          "orig": "en:Astrophysics",
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            "Physics",
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        {
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          "name": "Lagrange points",
          "orig": "en:Lagrange points",
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      "glosses": [
        "Abbreviation of Lagrange point 5, located 60 degrees behind the smaller object along its orbit around the larger object."
      ],
      "id": "en-L5-en-noun-PalgEjyU",
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          "astrophysics",
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          "Lagrange point",
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        [
          "5",
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        [
          "orbit",
          "orbit"
        ]
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      "raw_glosses": [
        "(astrophysics) Abbreviation of Lagrange point 5, located 60 degrees behind the smaller object along its orbit around the larger object."
      ],
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        {
          "topics": [
            "astrophysics"
          ],
          "word": "Lagrange point"
        },
        {
          "topics": [
            "astrophysics"
          ],
          "word": "L1"
        },
        {
          "topics": [
            "astrophysics"
          ],
          "word": "L2"
        },
        {
          "topics": [
            "astrophysics"
          ],
          "word": "L3"
        },
        {
          "topics": [
            "astrophysics"
          ],
          "word": "L4"
        }
      ],
      "synonyms": [
        {
          "word": "trailing Trojan point"
        }
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      "topics": [
        "astrophysics"
      ]
    }
  ],
  "word": "L5"
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  "lang_code": "en",
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      "topics": [
        "astrophysics"
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      "word": "Lagrange point"
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    {
      "topics": [
        "astrophysics"
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      "word": "L1"
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    {
      "topics": [
        "astrophysics"
      ],
      "word": "L2"
    },
    {
      "topics": [
        "astrophysics"
      ],
      "word": "L3"
    },
    {
      "topics": [
        "astrophysics"
      ],
      "word": "L4"
    }
  ],
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        {
          "word": "Lagrange point 5"
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          "word": "located 60 degrees behind the smaller object along its orbit around the larger object"
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        "Abbreviation of Lagrange point 5, located 60 degrees behind the smaller object along its orbit around the larger object."
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          "orbit",
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      "raw_glosses": [
        "(astrophysics) Abbreviation of Lagrange point 5, located 60 degrees behind the smaller object along its orbit around the larger object."
      ],
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      "topics": [
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  "synonyms": [
    {
      "word": "trailing Trojan point"
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  "word": "L5"
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