"sulphur-free" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sulphur",
        "3": "-free"
      },
      "expansion": "sulphur + -free",
      "name": "af"
    }
  ],
  "etymology_text": "From sulphur + -free.",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "sulphur-free"
      },
      "expansion": "sulphur-free (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 -free",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2021 July 14, “Network News: Total Rail Solutions switches to HVO”, in RAIL, number 935, page 19:",
          "text": "Bateman added: \"In addition, HVO is sulphur-free, so it is less corrosive in our engines. [...].\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "Not containing any sulphur."
      ],
      "id": "en-sulphur-free-en-adj-S3Ln1SkC",
      "links": [
        [
          "sulphur",
          "sulphur"
        ]
      ],
      "raw_glosses": [
        "(British spelling) Not containing any sulphur."
      ],
      "synonyms": [
        {
          "sense": "non-Commonwealth spelling",
          "word": "sulfur-free"
        }
      ],
      "tags": [
        "UK",
        "not-comparable"
      ]
    }
  ],
  "word": "sulphur-free"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sulphur",
        "3": "-free"
      },
      "expansion": "sulphur + -free",
      "name": "af"
    }
  ],
  "etymology_text": "From sulphur + -free.",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "sulphur-free"
      },
      "expansion": "sulphur-free (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "British English forms",
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms suffixed with -free",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2021 July 14, “Network News: Total Rail Solutions switches to HVO”, in RAIL, number 935, page 19:",
          "text": "Bateman added: \"In addition, HVO is sulphur-free, so it is less corrosive in our engines. [...].\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "Not containing any sulphur."
      ],
      "links": [
        [
          "sulphur",
          "sulphur"
        ]
      ],
      "raw_glosses": [
        "(British spelling) Not containing any sulphur."
      ],
      "tags": [
        "UK",
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "non-Commonwealth spelling",
      "word": "sulfur-free"
    }
  ],
  "word": "sulphur-free"
}