"micas" meaning in Français

{
  "anagrams": [
    {
      "word": "cimas"
    },
    {
      "word": "macis"
    },
    {
      "word": "Masci"
    },
    {
      "word": "Simca"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "mica",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Raoul Calvet, Le sol: propriétés et fonctions: Tome 1 – Constitution et structure, phénomènes aux interfaces, 2003",
          "text": "Les illites sont des minéraux argileux dont la structure est très proche de celle des micas."
        }
      ],
      "form_of": [
        {
          "word": "mica"
        }
      ],
      "glosses": [
        "Pluriel de mica."
      ],
      "id": "fr-micas-fr-noun-fVsJcjdo"
    }
  ],
  "sounds": [
    {
      "ipa": "\\mi.ka\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine"
  ],
  "word": "micas"
}

{
  "anagrams": [
    {
      "word": "cimas"
    },
    {
      "word": "macis"
    },
    {
      "word": "Masci"
    },
    {
      "word": "Simca"
    }
  ],
  "categories": [
    "Formes de noms communs en français",
    "français"
  ],
  "forms": [
    {
      "form": "mica",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "ref": "Raoul Calvet, Le sol: propriétés et fonctions: Tome 1 – Constitution et structure, phénomènes aux interfaces, 2003",
          "text": "Les illites sont des minéraux argileux dont la structure est très proche de celle des micas."
        }
      ],
      "form_of": [
        {
          "word": "mica"
        }
      ],
      "glosses": [
        "Pluriel de mica."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mi.ka\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine"
  ],
  "word": "micas"
}