"burning-glass" meaning in English

{
  "forms": [
    {
      "form": "burning-glasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "burning-glass (plural burning-glasses)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1858, R M Ballantyne, The Coral Island",
          "text": "Our burning-glass also now became a great treasure, as it enabled me to magnify, and so perceive more clearly […].",
          "type": "quotation"
        },
        {
          "ref": "1890, James George Frazer, The Golden Bough, volume 2, page 207",
          "text": "The Vestal fire was rekindled by sunlight reflected from a burning-glass.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A magnifying lens, as used to focus sunlight on to an object."
      ],
      "id": "en-burning-glass-en-noun-ZsukDVT-",
      "links": [
        [
          "magnifying",
          "magnifying"
        ]
      ],
      "raw_glosses": [
        "(dated) A magnifying lens, as used to focus sunlight on to an object."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbəːnɪŋɡlɑːs/",
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "burning-glass"
}

{
  "forms": [
    {
      "form": "burning-glasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "burning-glass (plural burning-glasses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English 3-syllable words",
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with IPA pronunciation",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1858, R M Ballantyne, The Coral Island",
          "text": "Our burning-glass also now became a great treasure, as it enabled me to magnify, and so perceive more clearly […].",
          "type": "quotation"
        },
        {
          "ref": "1890, James George Frazer, The Golden Bough, volume 2, page 207",
          "text": "The Vestal fire was rekindled by sunlight reflected from a burning-glass.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A magnifying lens, as used to focus sunlight on to an object."
      ],
      "links": [
        [
          "magnifying",
          "magnifying"
        ]
      ],
      "raw_glosses": [
        "(dated) A magnifying lens, as used to focus sunlight on to an object."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbəːnɪŋɡlɑːs/",
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "burning-glass"
}