"ulx" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "ulx",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(“microlux”) (from typographic substitution of lower case Greek letter \"μ\" with lower case Latin letter \"u\")",
          "word": "μlx"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Typography",
          "orig": "mul:Typography",
          "parents": [
            "Printing",
            "Writing",
            "Industries",
            "Human behaviour",
            "Language",
            "Business",
            "Human",
            "Communication",
            "Economics",
            "Society",
            "All topics",
            "Social sciences",
            "Fundamental",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of μlx (“microlux”) (from typographic substitution of lower case Greek letter \"μ\" with lower case Latin letter \"u\")"
      ],
      "id": "en-ulx-mul-symbol-Xv4YIMlo",
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "μlx",
          "μlx#Translingual"
        ]
      ],
      "raw_glosses": [
        "(typography) Alternative spelling of μlx (“microlux”) (from typographic substitution of lower case Greek letter \"μ\" with lower case Latin letter \"u\")"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ]
    }
  ],
  "word": "ulx"
}

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "ulx",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(“microlux”) (from typographic substitution of lower case Greek letter \"μ\" with lower case Latin letter \"u\")",
          "word": "μlx"
        }
      ],
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual symbols",
        "mul:Typography"
      ],
      "glosses": [
        "Alternative spelling of μlx (“microlux”) (from typographic substitution of lower case Greek letter \"μ\" with lower case Latin letter \"u\")"
      ],
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "μlx",
          "μlx#Translingual"
        ]
      ],
      "raw_glosses": [
        "(typography) Alternative spelling of μlx (“microlux”) (from typographic substitution of lower case Greek letter \"μ\" with lower case Latin letter \"u\")"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ]
    }
  ],
  "word": "ulx"
}