"マイクロ秒" meaning in Japonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Japonais",
      "orig": "japonais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "\\ma.i.kɯ.ɾo̞.bʲo̞ː\\"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Unités de mesure en japonais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Microseconde (μs — unité de mesure de temps)."
      ],
      "id": "fr-マイクロ秒-ja-noun-LFm3pmKB",
      "topics": [
        "metrology"
      ]
    }
  ],
  "word": "マイクロ秒"
}

{
  "categories": [
    "Noms communs en japonais",
    "japonais"
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "\\ma.i.kɯ.ɾo̞.bʲo̞ː\\"
  ],
  "senses": [
    {
      "categories": [
        "Unités de mesure en japonais"
      ],
      "glosses": [
        "Microseconde (μs — unité de mesure de temps)."
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "word": "マイクロ秒"
}