"Pu" meaning in Translingual

{
  "etymology_text": "From a pun on P U by Glenn Seaborg; explained in Wikipedia at plutonium § History.",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "Pu",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chemical element symbols",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "mul",
          "name": "Actinide series chemical elements",
          "orig": "mul:Actinide series chemical elements",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "30 17 53",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "38 13 49",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Chemical element symbol for plutonium."
      ],
      "id": "en-Pu-mul-symbol-mul:Q1102",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "plutonium",
          "plutonium#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Chemical element symbol for plutonium."
      ],
      "senseid": [
        "mul:Q1102"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikidata": [
        "Q1102"
      ]
    }
  ],
  "word": "Pu"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English proper nouns",
    "English terms borrowed from Mandarin",
    "English terms derived from Mandarin",
    "English terms with homophones",
    "English uncountable nouns",
    "Entries with translation boxes",
    "Pages with 2 entries",
    "Pages with entries",
    "Terms with Mandarin translations"
  ],
  "etymology_text": "From a pun on P U by Glenn Seaborg; explained in Wikipedia at plutonium § History.",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "Pu",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "Chemical element symbols",
        "Pages with 2 entries",
        "Pages with entries",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual symbols",
        "mul:Actinide series chemical elements"
      ],
      "glosses": [
        "Chemical element symbol for plutonium."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "plutonium",
          "plutonium#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Chemical element symbol for plutonium."
      ],
      "senseid": [
        "mul:Q1102"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikidata": [
        "Q1102"
      ]
    }
  ],
  "word": "Pu"
}