"μg" meaning in Translingual

{
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      "expansion": "μg",
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  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "an SI unit of mass equal to 10⁻⁶ grams",
          "word": "microgram"
        }
      ],
      "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"
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          "source": "w"
        },
        {
          "_dis": "73 27",
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          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "69 31",
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          "parents": [
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            "Entry maintenance"
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          "source": "w+disamb"
        },
        {
          "_dis": "73 27",
          "kind": "other",
          "name": "Translingual terms written in multiple scripts",
          "parents": [
            "Terms written in multiple scripts",
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          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Symbol for microgram, an SI unit of mass equal to 10⁻⁶ grams."
      ],
      "id": "en-μg-mul-symbol-HVs9kKed",
      "links": [
        [
          "metrology",
          "metrology"
        ],
        [
          "microgram",
          "microgram"
        ],
        [
          "mass",
          "mass"
        ],
        [
          "gram",
          "gram"
        ]
      ],
      "raw_glosses": [
        "(metrology) Symbol for microgram, an SI unit of mass equal to 10⁻⁶ grams."
      ],
      "tags": [
        "alt-of",
        "symbol"
      ],
      "topics": [
        "metrology"
      ]
    },
    {
      "alt_of": [
        {
          "extra": "microgauss",
          "word": "µG"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Physics",
          "orig": "mul:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Misspelling of µG (“microgauss”)."
      ],
      "id": "en-μg-mul-symbol-gp5LY2yU",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "µG",
          "µG#Translingual"
        ],
        [
          "microgauss",
          "microgauss"
        ]
      ],
      "raw_glosses": [
        "(physics) Misspelling of µG (“microgauss”)."
      ],
      "tags": [
        "alt-of",
        "misspelling"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "mcg"
    },
    {
      "_dis1": "0 0",
      "word": "ug"
    }
  ],
  "word": "μg"
}

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    "Translingual terms spelled with Μ",
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  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "an SI unit of mass equal to 10⁻⁶ grams",
          "word": "microgram"
        }
      ],
      "categories": [
        "Symbols for SI units",
        "mul:Metrology"
      ],
      "glosses": [
        "Symbol for microgram, an SI unit of mass equal to 10⁻⁶ grams."
      ],
      "links": [
        [
          "metrology",
          "metrology"
        ],
        [
          "microgram",
          "microgram"
        ],
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          "mass",
          "mass"
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        [
          "gram",
          "gram"
        ]
      ],
      "raw_glosses": [
        "(metrology) Symbol for microgram, an SI unit of mass equal to 10⁻⁶ grams."
      ],
      "tags": [
        "alt-of",
        "symbol"
      ],
      "topics": [
        "metrology"
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    },
    {
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        {
          "extra": "microgauss",
          "word": "µG"
        }
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      "categories": [
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      "glosses": [
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        "(physics) Misspelling of µG (“microgauss”)."
      ],
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        "natural-sciences",
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  ],
  "synonyms": [
    {
      "word": "mcg"
    },
    {
      "word": "ug"
    }
  ],
  "word": "μg"
}