"nigrine" meaning in Français

{
  "anagrams": [
    {
      "word": "reining"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dénommé pour sa couleur très sombre : Nigris"
  ],
  "forms": [
    {
      "form": "nigrines",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "colspan=\"2\" :Modèle:!\\ni.ɡʁin\\",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en français de la minéralogie",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Alphonse Denis, Promenades pittoresques à Hyères ou Notice historique et statistique sur cette ville, ses environs et les îles, 1841",
          "text": "Le titaniate de fer ou nigrine s’est trouvé dans le micaschiste ; il est solide, noir, métalloïde et cristallise en octaèdre."
        }
      ],
      "glosses": [
        "Variété de rutile riche en fer."
      ],
      "id": "fr-nigrine-fr-noun-7fLOSRxJ",
      "topics": [
        "mineralogy"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ni.ɡʁin\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "nigrine"
}

{
  "anagrams": [
    {
      "word": "reining"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Formes d’adjectifs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dénommé pour sa couleur très sombre : Nigris"
  ],
  "forms": [
    {
      "form": "nigrin",
      "ipas": [
        "\\ni.gʁɛ̃\\"
      ],
      "tags": [
        "singular",
        "masculine"
      ]
    },
    {
      "form": "nigrins",
      "ipas": [
        "\\ni.gʁɛ̃\\"
      ],
      "tags": [
        "plural",
        "masculine"
      ]
    },
    {
      "form": "nigrines",
      "ipas": [
        "\\ni.gʁin\\"
      ],
      "tags": [
        "plural",
        "feminine"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Forme d’adjectif",
  "senses": [
    {
      "form_of": [
        {
          "word": "nigrin"
        }
      ],
      "glosses": [
        "Féminin singulier de nigrin."
      ],
      "id": "fr-nigrine-fr-adj-J0uqVEiA"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ni.ɡʁin\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "nigrine"
}

{
  "anagrams": [
    {
      "word": "reining"
    }
  ],
  "categories": [
    "Lemmes en français",
    "Noms communs en français",
    "français"
  ],
  "etymology_texts": [
    "Dénommé pour sa couleur très sombre : Nigris"
  ],
  "forms": [
    {
      "form": "nigrines",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "colspan=\"2\" :Modèle:!\\ni.ɡʁin\\",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Lexique en français de la minéralogie"
      ],
      "examples": [
        {
          "ref": "Alphonse Denis, Promenades pittoresques à Hyères ou Notice historique et statistique sur cette ville, ses environs et les îles, 1841",
          "text": "Le titaniate de fer ou nigrine s’est trouvé dans le micaschiste ; il est solide, noir, métalloïde et cristallise en octaèdre."
        }
      ],
      "glosses": [
        "Variété de rutile riche en fer."
      ],
      "topics": [
        "mineralogy"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ni.ɡʁin\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "nigrine"
}

{
  "anagrams": [
    {
      "word": "reining"
    }
  ],
  "categories": [
    "Formes d’adjectifs en français",
    "français"
  ],
  "etymology_texts": [
    "Dénommé pour sa couleur très sombre : Nigris"
  ],
  "forms": [
    {
      "form": "nigrin",
      "ipas": [
        "\\ni.gʁɛ̃\\"
      ],
      "tags": [
        "singular",
        "masculine"
      ]
    },
    {
      "form": "nigrins",
      "ipas": [
        "\\ni.gʁɛ̃\\"
      ],
      "tags": [
        "plural",
        "masculine"
      ]
    },
    {
      "form": "nigrines",
      "ipas": [
        "\\ni.gʁin\\"
      ],
      "tags": [
        "plural",
        "feminine"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Forme d’adjectif",
  "senses": [
    {
      "form_of": [
        {
          "word": "nigrin"
        }
      ],
      "glosses": [
        "Féminin singulier de nigrin."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ni.ɡʁin\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "nigrine"
}