"bitmask" meaning in English

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  "etymology_text": "From bit + mask.",
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      "form": "bitmasks",
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      "glosses": [
        "A pattern of bits indicating which bits in a second pattern are to be modified."
      ],
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          "computing",
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        [
          "bit",
          "bit"
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        "(computing) A pattern of bits indicating which bits in a second pattern are to be modified."
      ],
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        "computing",
        "engineering",
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        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "pattern of bits",
          "word": "bittimaski"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "pattern of bits",
          "word": "bittipeite"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "dyfiakí máska",
          "sense": "pattern of bits",
          "tags": [
            "feminine"
          ],
          "word": "δυφιακή μάσκα"
        }
      ]
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      "_dis1": "0 0",
      "word": "bit mask"
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  ],
  "etymology_text": "From bit + mask.",
  "forms": [
    {
      "form": "bitmasks",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "bitmasking",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bitmasked",
      "tags": [
        "participle",
        "past"
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    {
      "form": "bitmasked",
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        "past"
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        "To mask (a value) using a bitmask."
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        "(computing, transitive) To mask (a value) using a bitmask."
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    {
      "_dis1": "0 0",
      "word": "bit mask"
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  "word": "bitmask"
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  "etymology_text": "From bit + mask.",
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    {
      "form": "bitmasks",
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        "plural"
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        "A pattern of bits indicating which bits in a second pattern are to be modified."
      ],
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        "(computing) A pattern of bits indicating which bits in a second pattern are to be modified."
      ],
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  "synonyms": [
    {
      "word": "bit mask"
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  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "pattern of bits",
      "word": "bittimaski"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "pattern of bits",
      "word": "bittipeite"
    },
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      "code": "el",
      "lang": "Greek",
      "roman": "dyfiakí máska",
      "sense": "pattern of bits",
      "tags": [
        "feminine"
      ],
      "word": "δυφιακή μάσκα"
    }
  ],
  "word": "bitmask"
}

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  "etymology_text": "From bit + mask.",
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    {
      "form": "bitmasks",
      "tags": [
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    {
      "form": "bitmasking",
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      "form": "bitmasked",
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  "lang_code": "en",
  "pos": "verb",
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      "categories": [
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        "en:Computing"
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      "glosses": [
        "To mask (a value) using a bitmask."
      ],
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        [
          "mask",
          "mask"
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        "(computing, transitive) To mask (a value) using a bitmask."
      ],
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        "transitive"
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        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
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  "synonyms": [
    {
      "word": "bit mask"
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  "word": "bitmask"
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