"Welsbach mantle" meaning in English

{
  "etymology_text": "In its modern form, invented by the chemist Carl Auer von Welsbach.",
  "forms": [
    {
      "form": "Welsbach mantles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Welsbach mantle (plural Welsbach mantles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "parents": [
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      ],
      "glosses": [
        "A gas mantle."
      ],
      "id": "en-Welsbach_mantle-en-noun-kbDYwcyp",
      "links": [
        [
          "gas mantle",
          "gas mantle"
        ]
      ],
      "wikipedia": [
        "Carl Auer von Welsbach"
      ]
    }
  ],
  "word": "Welsbach mantle"
}

{
  "etymology_text": "In its modern form, invented by the chemist Carl Auer von Welsbach.",
  "forms": [
    {
      "form": "Welsbach mantles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Welsbach mantle (plural Welsbach mantles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "A gas mantle."
      ],
      "links": [
        [
          "gas mantle",
          "gas mantle"
        ]
      ],
      "wikipedia": [
        "Carl Auer von Welsbach"
      ]
    }
  ],
  "word": "Welsbach mantle"
}