"slate white" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "slate white (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Inorganic compounds",
          "orig": "en:Inorganic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Lead",
          "orig": "en:Lead",
          "parents": [
            "Carbon group elements",
            "Chemical elements",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Whites",
          "orig": "en:Whites",
          "parents": [
            "Colors",
            "Light",
            "Vision",
            "Energy",
            "Senses",
            "Nature",
            "Perception",
            "All topics",
            "Body",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of white lead, particularly as used in paints."
      ],
      "id": "en-slate_white-en-noun-G8fF5ncz",
      "links": [
        [
          "white lead",
          "white lead#English"
        ],
        [
          "particularly",
          "particularly#English"
        ],
        [
          "used",
          "used#English"
        ],
        [
          "paint",
          "paint#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "white lead"
        },
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "particularly as used in paints"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "slate white"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "slate white (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English 2-syllable words",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "en:Inorganic compounds",
        "en:Lead",
        "en:Whites"
      ],
      "glosses": [
        "Synonym of white lead, particularly as used in paints."
      ],
      "links": [
        [
          "white lead",
          "white lead#English"
        ],
        [
          "particularly",
          "particularly#English"
        ],
        [
          "used",
          "used#English"
        ],
        [
          "paint",
          "paint#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "white lead"
        },
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "particularly as used in paints"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "slate white"
}