"pl" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "pl",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(picolitre), an SI unit of fluid measure equal to 10⁻¹² liters (litres)",
          "word": "picoliter"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "name": "Symbols for SI units",
          "parents": [
            "SI units",
            "Units of measure",
            "Metrology",
            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Metrology",
          "orig": "mul:Metrology",
          "parents": [
            "Applied sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "6 6 1 14 47 25",
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "5 5 1 18 52 20",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Symbol for picoliter (picolitre), an SI unit of fluid measure equal to 10⁻¹² liters (litres)."
      ],
      "id": "en-pl-mul-symbol-GtKYxDO8",
      "links": [
        [
          "metrology",
          "metrology"
        ],
        [
          "picoliter",
          "picoliter"
        ],
        [
          "picolitre",
          "picolitre"
        ],
        [
          "fluid measure",
          "fluid measure"
        ],
        [
          "liter",
          "liter"
        ],
        [
          "litre",
          "litre"
        ]
      ],
      "raw_glosses": [
        "(metrology) Symbol for picoliter (picolitre), an SI unit of fluid measure equal to 10⁻¹² liters (litres)."
      ],
      "tags": [
        "alt-of",
        "symbol"
      ],
      "topics": [
        "metrology"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "ISO 639-1",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "43 57",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "ISO 639-1 language code for Polish."
      ],
      "id": "en-pl-mul-symbol-JYEUXpG0",
      "links": [
        [
          "language code",
          "language code"
        ]
      ],
      "qualifier": "international standards",
      "raw_glosses": [
        "(international standards) ISO 639-1 language code for Polish."
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "pL"
    }
  ],
  "word": "pl"
}

{
  "categories": [
    "Pages with 4 entries",
    "Pages with entries",
    "Translingual entries with incorrect language header",
    "Translingual lemmas",
    "Translingual symbols"
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "pl",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(picolitre), an SI unit of fluid measure equal to 10⁻¹² liters (litres)",
          "word": "picoliter"
        }
      ],
      "categories": [
        "Symbols for SI units",
        "mul:Metrology"
      ],
      "glosses": [
        "Symbol for picoliter (picolitre), an SI unit of fluid measure equal to 10⁻¹² liters (litres)."
      ],
      "links": [
        [
          "metrology",
          "metrology"
        ],
        [
          "picoliter",
          "picoliter"
        ],
        [
          "picolitre",
          "picolitre"
        ],
        [
          "fluid measure",
          "fluid measure"
        ],
        [
          "liter",
          "liter"
        ],
        [
          "litre",
          "litre"
        ]
      ],
      "raw_glosses": [
        "(metrology) Symbol for picoliter (picolitre), an SI unit of fluid measure equal to 10⁻¹² liters (litres)."
      ],
      "tags": [
        "alt-of",
        "symbol"
      ],
      "topics": [
        "metrology"
      ]
    },
    {
      "categories": [
        "ISO 639-1"
      ],
      "glosses": [
        "ISO 639-1 language code for Polish."
      ],
      "links": [
        [
          "language code",
          "language code"
        ]
      ],
      "qualifier": "international standards",
      "raw_glosses": [
        "(international standards) ISO 639-1 language code for Polish."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "pL"
    }
  ],
  "word": "pl"
}