"prewhiten" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "whiten"
      },
      "expansion": "pre- + whiten",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + whiten.",
  "forms": [
    {
      "form": "prewhitens",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "prewhitening",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "prewhitened",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "prewhitened",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "prewhiten (third-person singular simple present prewhitens, present participle prewhitening, simple past and past participle prewhitened)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 terms prefixed with pre-",
          "parents": [],
          "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": "Signal processing",
          "orig": "en:Signal processing",
          "parents": [
            "Applied mathematics",
            "Telecommunications",
            "Mathematics",
            "Communication",
            "Technology",
            "Formal sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "To modify (a data set) to make the samples statistically independent, analogous to white noise."
      ],
      "id": "en-prewhiten-en-verb-1k~kpJuL",
      "links": [
        [
          "data set",
          "data set"
        ],
        [
          "sample",
          "sample"
        ],
        [
          "statistical",
          "statistical"
        ],
        [
          "independent",
          "independent"
        ],
        [
          "analogous",
          "analogous"
        ],
        [
          "white noise",
          "white noise"
        ]
      ],
      "raw_glosses": [
        "(signal processing, transitive) To modify (a data set) to make the samples statistically independent, analogous to white noise."
      ],
      "tags": [
        "transitive"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences",
        "signal-processing"
      ]
    }
  ],
  "word": "prewhiten"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "whiten"
      },
      "expansion": "pre- + whiten",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + whiten.",
  "forms": [
    {
      "form": "prewhitens",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "prewhitening",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "prewhitened",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "prewhitened",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "prewhiten (third-person singular simple present prewhitens, present participle prewhitening, simple past and past participle prewhitened)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with pre-",
        "English transitive verbs",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Signal processing"
      ],
      "glosses": [
        "To modify (a data set) to make the samples statistically independent, analogous to white noise."
      ],
      "links": [
        [
          "data set",
          "data set"
        ],
        [
          "sample",
          "sample"
        ],
        [
          "statistical",
          "statistical"
        ],
        [
          "independent",
          "independent"
        ],
        [
          "analogous",
          "analogous"
        ],
        [
          "white noise",
          "white noise"
        ]
      ],
      "raw_glosses": [
        "(signal processing, transitive) To modify (a data set) to make the samples statistically independent, analogous to white noise."
      ],
      "tags": [
        "transitive"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences",
        "signal-processing"
      ]
    }
  ],
  "word": "prewhiten"
}