"μm" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "含有前綴μ-的跨語言詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "帶「Μ」的跨語言詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "用多種文字書寫的跨語言詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "跨語言符號",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "跨語言詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "源自 μ- (“微”) + m (“米，公尺”)。",
  "lang": "跨語言",
  "lang_code": "mul",
  "pos": "symbol",
  "related": [
    {
      "word": "µms"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "國際單位符號",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "跨語言 度量衡學",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "(度量衡學) 長度國際單位 micrometer (micrometre) 的符號，等同於10⁻⁶meter (metre)。（微米）"
      ],
      "id": "zh-μm-mul-symbol-iZWCHcne"
    }
  ],
  "word": "μm"
}

{
  "categories": [
    "含有前綴μ-的跨語言詞",
    "帶「Μ」的跨語言詞",
    "有1個詞條的頁面",
    "用多種文字書寫的跨語言詞",
    "跨語言符號",
    "跨語言詞元"
  ],
  "etymology_text": "源自 μ- (“微”) + m (“米，公尺”)。",
  "lang": "跨語言",
  "lang_code": "mul",
  "pos": "symbol",
  "related": [
    {
      "word": "µms"
    }
  ],
  "senses": [
    {
      "categories": [
        "國際單位符號",
        "跨語言 度量衡學"
      ],
      "glosses": [
        "(度量衡學) 長度國際單位 micrometer (micrometre) 的符號，等同於10⁻⁶meter (metre)。（微米）"
      ]
    }
  ],
  "word": "μm"
}