"sanitisation" meaning in English

{
  "forms": [
    {
      "form": "sanitisations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sanitisation (plural sanitisations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sanitization"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 November 18, Paul Clifton, “We have always cleaned trains. Now, we are sanitising them\"”, in Rail, page 32",
          "text": "Is 'sanitisation' even a word? Let alone one that would be used as the top line of a news release, designed to grab the attention of a journalist or the reader of a magazine? It is - although I confess I had to look it up to check.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of sanitization"
      ],
      "id": "en-sanitisation-en-noun-BzbGRA~y",
      "links": [
        [
          "sanitization",
          "sanitization#English"
        ]
      ],
      "raw_glosses": [
        "(British spelling) Alternative spelling of sanitization"
      ],
      "tags": [
        "UK",
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sanitisation"
}

{
  "forms": [
    {
      "form": "sanitisations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sanitisation (plural sanitisations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sanitization"
        }
      ],
      "categories": [
        "British English forms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2020 November 18, Paul Clifton, “We have always cleaned trains. Now, we are sanitising them\"”, in Rail, page 32",
          "text": "Is 'sanitisation' even a word? Let alone one that would be used as the top line of a news release, designed to grab the attention of a journalist or the reader of a magazine? It is - although I confess I had to look it up to check.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of sanitization"
      ],
      "links": [
        [
          "sanitization",
          "sanitization#English"
        ]
      ],
      "raw_glosses": [
        "(British spelling) Alternative spelling of sanitization"
      ],
      "tags": [
        "UK",
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sanitisation"
}