"picture tube" meaning in English

{
  "forms": [
    {
      "form": "picture tubes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "picture tube (plural picture tubes)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Electronics",
          "orig": "en:Electronics",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1955 May 7, “Science: Slimmer TV”, in Time, retrieved 2015-11-12:",
          "text": "The conventional TV picture tube, whose monstrous bubble of vacuum is responsible for most of the bulk of the TV cabinet, may be on its way out. Electronics men have long dreamed of shrinking the tube to a flat plate not much bigger than the picture.",
          "type": "quote"
        },
        {
          "ref": "2006 May 7, Eric A. Taub, “Picture Tubes Are Fading Into the Past”, in New York Times, retrieved 2015-11-12:",
          "text": "The bulky, squarish, heavy picture tube, the standard television technology for more than 60 years, is heading for the dustbin of history much faster than anyone expected.",
          "type": "quote"
        }
      ],
      "glosses": [
        "In a television set, before the development of LED screens, the cathode ray tube which produced moving images on its surface."
      ],
      "id": "en-picture_tube-en-noun-7Tyk7jiu",
      "links": [
        [
          "electronics",
          "electronics"
        ],
        [
          "television set",
          "television set"
        ],
        [
          "LED",
          "LED"
        ],
        [
          "screen",
          "screen"
        ],
        [
          "cathode ray tube",
          "cathode ray tube"
        ]
      ],
      "qualifier": "becoming dated",
      "raw_glosses": [
        "(electronics, becoming dated) In a television set, before the development of LED screens, the cathode ray tube which produced moving images on its surface."
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "electronics",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "picture tube"
}

{
  "forms": [
    {
      "form": "picture tubes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "picture tube (plural picture tubes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Electronics"
      ],
      "examples": [
        {
          "ref": "1955 May 7, “Science: Slimmer TV”, in Time, retrieved 2015-11-12:",
          "text": "The conventional TV picture tube, whose monstrous bubble of vacuum is responsible for most of the bulk of the TV cabinet, may be on its way out. Electronics men have long dreamed of shrinking the tube to a flat plate not much bigger than the picture.",
          "type": "quote"
        },
        {
          "ref": "2006 May 7, Eric A. Taub, “Picture Tubes Are Fading Into the Past”, in New York Times, retrieved 2015-11-12:",
          "text": "The bulky, squarish, heavy picture tube, the standard television technology for more than 60 years, is heading for the dustbin of history much faster than anyone expected.",
          "type": "quote"
        }
      ],
      "glosses": [
        "In a television set, before the development of LED screens, the cathode ray tube which produced moving images on its surface."
      ],
      "links": [
        [
          "electronics",
          "electronics"
        ],
        [
          "television set",
          "television set"
        ],
        [
          "LED",
          "LED"
        ],
        [
          "screen",
          "screen"
        ],
        [
          "cathode ray tube",
          "cathode ray tube"
        ]
      ],
      "qualifier": "becoming dated",
      "raw_glosses": [
        "(electronics, becoming dated) In a television set, before the development of LED screens, the cathode ray tube which produced moving images on its surface."
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "electronics",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "picture tube"
}