"columnwise" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "column",
        "3": "wise"
      },
      "expansion": "column + -wise",
      "name": "suffix"
    }
  ],
  "etymology_text": "column + -wise",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "columnwise (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "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 suffixed with -wise",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2016, Peter J. Rousseeuw, Wannes Van den Bossche, “Detecting anomalous data cells”, in arXiv",
          "text": "We illustrate the method on several real data sets, where it uncovers more structure than found by purely columnwise methods or purely rowwise methods.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "By columns; one column at a time."
      ],
      "id": "en-columnwise-en-adj-D2TzFfUV",
      "synonyms": [
        {
          "word": "column-wise"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "columnwise"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "column",
        "3": "wise"
      },
      "expansion": "column + -wise",
      "name": "suffix"
    }
  ],
  "etymology_text": "column + -wise",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "columnwise (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -wise",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "2016, Peter J. Rousseeuw, Wannes Van den Bossche, “Detecting anomalous data cells”, in arXiv",
          "text": "We illustrate the method on several real data sets, where it uncovers more structure than found by purely columnwise methods or purely rowwise methods.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "By columns; one column at a time."
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "column-wise"
    }
  ],
  "word": "columnwise"
}