"lamellations" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "lamellation",
      "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": [
        {
          "bold_text_offsets": [
            [
              31,
              43
            ]
          ],
          "ref": "Alfred Harker, Pétrographie: introduction à l'étude des roches au moyen du microscope, 1902",
          "text": "Les phénocristaux montrent les lamellations de l’albite, combinées souvent avec les mâcles de la péricline et de Carlsbad."
        }
      ],
      "form_of": [
        {
          "word": "lamellation"
        }
      ],
      "glosses": [
        "Pluriel de lamellation."
      ],
      "id": "fr-lamellations-fr-noun-AycIbqPH"
    }
  ],
  "sounds": [
    {
      "ipa": "\\la.mɛ.la.sjɔ̃\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "lamellations"
}

{
  "categories": [
    "Formes de noms communs en français",
    "français"
  ],
  "forms": [
    {
      "form": "lamellation",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              31,
              43
            ]
          ],
          "ref": "Alfred Harker, Pétrographie: introduction à l'étude des roches au moyen du microscope, 1902",
          "text": "Les phénocristaux montrent les lamellations de l’albite, combinées souvent avec les mâcles de la péricline et de Carlsbad."
        }
      ],
      "form_of": [
        {
          "word": "lamellation"
        }
      ],
      "glosses": [
        "Pluriel de lamellation."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\la.mɛ.la.sjɔ̃\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "lamellations"
}