"Egyptian blue" meaning in English

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  "etymology_text": "From Egyptian + blue, from being a blue invented by Ancient Egyptians.",
  "forms": [
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      "form": "Egyptian blues",
      "tags": [
        "plural"
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      "expansion": "Egyptian blue (countable and uncountable, plural Egyptian blues)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "coordinate_terms": [
        {
          "word": "lapis lazuli"
        },
        {
          "english": "the first artificial purple, one of the first artificial pigments",
          "word": "Chinese purple"
        },
        {
          "english": "the first artificial purple, one of the first artificial pigments",
          "word": "Han purple"
        },
        {
          "word": "Chinese blue"
        },
        {
          "word": "Han blue"
        },
        {
          "english": "the first artificial pigment widely used in the modern world; not an ancient pigment",
          "word": "Prussian blue"
        }
      ],
      "glosses": [
        "A pigment made from calcium copper tetrasilicate (“CaCuSi₄O₁₀”), the first artificial pigment, a blue, used by Egyptians for over 3 millennia, before dying out during the Roman Empire; one of the few alternates to lapis lazuli during ancient times."
      ],
      "id": "en-Egyptian_blue-en-noun-xW8cXJqm",
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          "calcium copper tetrasilicate",
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          "pigment"
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          "lapis lazuli",
          "lapis lazuli"
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      "translations": [
        {
          "code": "grc",
          "lang": "Ancient Greek",
          "roman": "kúanos",
          "sense": "Translations",
          "word": "κύανος"
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        {
          "code": "egy",
          "lang": "Egyptian",
          "sense": "Translations",
          "word": "ḫsbḏ jryt"
        },
        {
          "code": "la",
          "lang": "Latin",
          "sense": "Translations",
          "word": "caeruleum"
        },
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          "code": "la",
          "lang": "Latin",
          "sense": "Translations",
          "word": "coeruleum"
        }
      ]
    }
  ],
  "word": "Egyptian blue"
}

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      "word": "lapis lazuli"
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    {
      "english": "the first artificial purple, one of the first artificial pigments",
      "word": "Chinese purple"
    },
    {
      "english": "the first artificial purple, one of the first artificial pigments",
      "word": "Han purple"
    },
    {
      "word": "Chinese blue"
    },
    {
      "word": "Han blue"
    },
    {
      "english": "the first artificial pigment widely used in the modern world; not an ancient pigment",
      "word": "Prussian blue"
    }
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  "etymology_text": "From Egyptian + blue, from being a blue invented by Ancient Egyptians.",
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    {
      "form": "Egyptian blues",
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        "A pigment made from calcium copper tetrasilicate (“CaCuSi₄O₁₀”), the first artificial pigment, a blue, used by Egyptians for over 3 millennia, before dying out during the Roman Empire; one of the few alternates to lapis lazuli during ancient times."
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      "code": "grc",
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      "roman": "kúanos",
      "sense": "Translations",
      "word": "κύανος"
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      "lang": "Egyptian",
      "sense": "Translations",
      "word": "ḫsbḏ jryt"
    },
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      "code": "la",
      "lang": "Latin",
      "sense": "Translations",
      "word": "caeruleum"
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      "code": "la",
      "lang": "Latin",
      "sense": "Translations",
      "word": "coeruleum"
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  "word": "Egyptian blue"
}