"copperbar" meaning in English

{
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        "1": "en",
        "2": "copper",
        "3": "bar"
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      "expansion": "copper + bar",
      "name": "compound"
    }
  ],
  "etymology_text": "From copper + bar, after the \"copper\" (coprocessor) component of the Commodore Amiga chipset.",
  "forms": [
    {
      "form": "copperbars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "copperbar (plural copperbars)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "kind": "topical",
          "langcode": "en",
          "name": "Demoscene",
          "orig": "en:Demoscene",
          "parents": [
            "Computing",
            "Culture",
            "Technology",
            "Society",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1996, WolfMan^iNSaNiTY, “Which scanline???”, in comp.sys.ibm.pc.demos (Usenet):",
          "text": "There a^([sic]) quite a lot of effects you can get with horz.retraces, eg a textmode copperbar (change color #0 with every scanline)",
          "type": "quote"
        },
        {
          "ref": "1998, Paul-Jan Pauptit, “Raster trix are a problem nowadays.”, in comp.sys.ibm.pc.demos (Usenet):",
          "text": "Although most cards still support screen-tweaking, you can just forget about copperbars (writing within horizontal retrace fuks up the screen BADLY) and other effex. Same goes for changing the font.",
          "type": "quote"
        },
        {
          "ref": "2000, Lando, “looking for software”, in alt.amiga.demos (Usenet):",
          "text": "There was also the (really pretty famous) RSI Demomaker that let u make up your own intros/demos from a load of stock effects (bobs, starfields, copperbars, scrollers etc).. havent been able to find that tho...",
          "type": "quote"
        }
      ],
      "glosses": [
        "An animated horizontal bar of colour that extends into the overscan area of the display."
      ],
      "id": "en-copperbar-en-noun-qKHGRZ1H",
      "links": [
        [
          "animated",
          "animated"
        ],
        [
          "horizontal",
          "horizontal"
        ],
        [
          "bar",
          "bar"
        ],
        [
          "colour",
          "colour"
        ],
        [
          "overscan",
          "overscan"
        ]
      ],
      "raw_glosses": [
        "(demoscene) An animated horizontal bar of colour that extends into the overscan area of the display."
      ],
      "topics": [
        "computing",
        "demoscene",
        "engineering",
        "lifestyle",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Commodore Amiga"
      ]
    }
  ],
  "word": "copperbar"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "copper",
        "3": "bar"
      },
      "expansion": "copper + bar",
      "name": "compound"
    }
  ],
  "etymology_text": "From copper + bar, after the \"copper\" (coprocessor) component of the Commodore Amiga chipset.",
  "forms": [
    {
      "form": "copperbars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "copperbar (plural copperbars)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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        "Pages with entries",
        "en:Demoscene"
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      "examples": [
        {
          "ref": "1996, WolfMan^iNSaNiTY, “Which scanline???”, in comp.sys.ibm.pc.demos (Usenet):",
          "text": "There a^([sic]) quite a lot of effects you can get with horz.retraces, eg a textmode copperbar (change color #0 with every scanline)",
          "type": "quote"
        },
        {
          "ref": "1998, Paul-Jan Pauptit, “Raster trix are a problem nowadays.”, in comp.sys.ibm.pc.demos (Usenet):",
          "text": "Although most cards still support screen-tweaking, you can just forget about copperbars (writing within horizontal retrace fuks up the screen BADLY) and other effex. Same goes for changing the font.",
          "type": "quote"
        },
        {
          "ref": "2000, Lando, “looking for software”, in alt.amiga.demos (Usenet):",
          "text": "There was also the (really pretty famous) RSI Demomaker that let u make up your own intros/demos from a load of stock effects (bobs, starfields, copperbars, scrollers etc).. havent been able to find that tho...",
          "type": "quote"
        }
      ],
      "glosses": [
        "An animated horizontal bar of colour that extends into the overscan area of the display."
      ],
      "links": [
        [
          "animated",
          "animated"
        ],
        [
          "horizontal",
          "horizontal"
        ],
        [
          "bar",
          "bar"
        ],
        [
          "colour",
          "colour"
        ],
        [
          "overscan",
          "overscan"
        ]
      ],
      "raw_glosses": [
        "(demoscene) An animated horizontal bar of colour that extends into the overscan area of the display."
      ],
      "topics": [
        "computing",
        "demoscene",
        "engineering",
        "lifestyle",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Commodore Amiga"
      ]
    }
  ],
  "word": "copperbar"
}