"cobalt green" meaning in English

{
  "forms": [
    {
      "form": "cobalt greens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "cobalt green (countable and uncountable, plural cobalt greens)",
      "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": "Cobalt",
          "orig": "en:Cobalt",
          "parents": [
            "Transition metals",
            "Chemical elements",
            "Metals",
            "Matter",
            "Metallurgy",
            "Chemistry",
            "Nature",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Greens",
          "orig": "en:Greens",
          "parents": [
            "Colors",
            "Light",
            "Vision",
            "Energy",
            "Senses",
            "Nature",
            "Perception",
            "All topics",
            "Body",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "cobalt green:"
        }
      ],
      "glosses": [
        "Any of various green inorganic pigments obtained by doping cobalt(II) oxide into colorless host oxides."
      ],
      "id": "en-cobalt_green-en-noun-8LksD-T~",
      "links": [
        [
          "green",
          "green"
        ],
        [
          "inorganic",
          "inorganic"
        ],
        [
          "pigment",
          "pigment"
        ],
        [
          "doping",
          "dope"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "cobalt green"
      ]
    }
  ],
  "word": "cobalt green"
}

{
  "forms": [
    {
      "form": "cobalt greens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "cobalt green (countable and uncountable, plural cobalt greens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "en:Cobalt",
        "en:Greens"
      ],
      "examples": [
        {
          "text": "cobalt green:"
        }
      ],
      "glosses": [
        "Any of various green inorganic pigments obtained by doping cobalt(II) oxide into colorless host oxides."
      ],
      "links": [
        [
          "green",
          "green"
        ],
        [
          "inorganic",
          "inorganic"
        ],
        [
          "pigment",
          "pigment"
        ],
        [
          "doping",
          "dope"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "cobalt green"
      ]
    }
  ],
  "word": "cobalt green"
}