"Hefner lamp" meaning in English

{
  "etymology_text": "Invented by Friedrich von Hefner-Alteneck in 1884.",
  "forms": [
    {
      "form": "Hefner lamps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Hefner lamp (plural Hefner lamps)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A flame lamp used in photometry that burns amyl acetate and has been used as a standard for measuring luminosity in parts of Europe."
      ],
      "id": "en-Hefner_lamp-en-noun-o3XYspL2",
      "links": [
        [
          "flame lamp",
          "flame lamp"
        ],
        [
          "photometry",
          "photometry"
        ],
        [
          "burn",
          "burn"
        ],
        [
          "amyl acetate",
          "amyl acetate"
        ],
        [
          "standard",
          "standard"
        ],
        [
          "luminosity",
          "luminosity"
        ]
      ]
    }
  ],
  "word": "Hefner lamp"
}

{
  "etymology_text": "Invented by Friedrich von Hefner-Alteneck in 1884.",
  "forms": [
    {
      "form": "Hefner lamps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Hefner lamp (plural Hefner lamps)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A flame lamp used in photometry that burns amyl acetate and has been used as a standard for measuring luminosity in parts of Europe."
      ],
      "links": [
        [
          "flame lamp",
          "flame lamp"
        ],
        [
          "photometry",
          "photometry"
        ],
        [
          "burn",
          "burn"
        ],
        [
          "amyl acetate",
          "amyl acetate"
        ],
        [
          "standard",
          "standard"
        ],
        [
          "luminosity",
          "luminosity"
        ]
      ]
    }
  ],
  "word": "Hefner lamp"
}