"pyroclastes" 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": "pyroclaste",
      "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": [
            [
              34,
              45
            ]
          ],
          "ref": "Lorine Duthoit, Les volcans, 2023",
          "text": "Après une éruption explosive, les pyroclastes formés retombent sur le sol et s’accumulent sous forme de couches, plus ou moins épaisses, pouvant se solidifier et former une roche, comme le tuf volcanique."
        }
      ],
      "form_of": [
        {
          "word": "pyroclaste"
        }
      ],
      "glosses": [
        "Pluriel de pyroclaste."
      ],
      "id": "fr-pyroclastes-fr-noun-FwktJNAD"
    }
  ],
  "sounds": [
    {
      "ipa": "\\pi.ʁo.klast\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine"
  ],
  "word": "pyroclastes"
}

{
  "categories": [
    "Formes de noms communs en français",
    "français"
  ],
  "forms": [
    {
      "form": "pyroclaste",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              34,
              45
            ]
          ],
          "ref": "Lorine Duthoit, Les volcans, 2023",
          "text": "Après une éruption explosive, les pyroclastes formés retombent sur le sol et s’accumulent sous forme de couches, plus ou moins épaisses, pouvant se solidifier et former une roche, comme le tuf volcanique."
        }
      ],
      "form_of": [
        {
          "word": "pyroclaste"
        }
      ],
      "glosses": [
        "Pluriel de pyroclaste."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pi.ʁo.klast\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine"
  ],
  "word": "pyroclastes"
}