"sealed beam" meaning in English

{
  "forms": [
    {
      "form": "sealed beams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sealed beam (plural sealed beams)",
      "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": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Light sources",
          "orig": "en:Light sources",
          "parents": [
            "Light",
            "Energy",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Technology",
          "orig": "en:Technology",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1940, Ralph A. Richardson, Optics and Wheels, General Motors Corporation, p. 25",
          "text": "The new Sealed Beam Headlights are designed to maintain substantially their initial efficiency throughout their life."
        }
      ],
      "glosses": [
        "A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished."
      ],
      "id": "en-sealed_beam-en-noun-qT~AnInM",
      "links": [
        [
          "technology",
          "technology"
        ],
        [
          "electric",
          "electric"
        ],
        [
          "lamp",
          "lamp"
        ],
        [
          "beam",
          "beam"
        ],
        [
          "filament",
          "filament"
        ],
        [
          "sealed",
          "sealed"
        ],
        [
          "reflector",
          "reflector"
        ],
        [
          "lens",
          "lens"
        ],
        [
          "alignment",
          "alignment"
        ],
        [
          "tarnish",
          "tarnish"
        ]
      ],
      "raw_glosses": [
        "(technology) A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished."
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "technology"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "type of lamp",
          "word": "umpiovalaisin"
        }
      ],
      "wikipedia": [
        "sealed beam"
      ]
    }
  ],
  "word": "sealed beam"
}

{
  "forms": [
    {
      "form": "sealed beams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sealed beam (plural sealed beams)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Light sources",
        "en:Technology"
      ],
      "examples": [
        {
          "ref": "1940, Ralph A. Richardson, Optics and Wheels, General Motors Corporation, p. 25",
          "text": "The new Sealed Beam Headlights are designed to maintain substantially their initial efficiency throughout their life."
        }
      ],
      "glosses": [
        "A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished."
      ],
      "links": [
        [
          "technology",
          "technology"
        ],
        [
          "electric",
          "electric"
        ],
        [
          "lamp",
          "lamp"
        ],
        [
          "beam",
          "beam"
        ],
        [
          "filament",
          "filament"
        ],
        [
          "sealed",
          "sealed"
        ],
        [
          "reflector",
          "reflector"
        ],
        [
          "lens",
          "lens"
        ],
        [
          "alignment",
          "alignment"
        ],
        [
          "tarnish",
          "tarnish"
        ]
      ],
      "raw_glosses": [
        "(technology) A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished."
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "technology"
      ],
      "wikipedia": [
        "sealed beam"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "type of lamp",
      "word": "umpiovalaisin"
    }
  ],
  "word": "sealed beam"
}