"sapropel" meaning in English

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        "3": "Sapropel"
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      "expansion": "German Sapropel",
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    {
      "args": {
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        "2": "sapro-"
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      "expansion": "sapro-",
      "name": "af"
    },
    {
      "args": {
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        "2": "grc",
        "3": "πηλός",
        "t": "mud, clay"
      },
      "expansion": "Ancient Greek πηλός (pēlós, “mud, clay”)",
      "name": "der"
    }
  ],
  "etymology_text": "From German Sapropel, corresponding to sapro- + Ancient Greek πηλός (pēlós, “mud, clay”).",
  "forms": [
    {
      "form": "sapropels",
      "tags": [
        "plural"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "Geology",
          "orig": "en:Geology",
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            "Fundamental"
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        }
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      "derived": [
        {
          "word": "sapropelic"
        }
      ],
      "examples": [
        {
          "ref": "2011, Chris Stringer, The Origin of Our Species, Penguin, published 2012, page 47:",
          "text": "Another instance in which Mediterranean sapropels have provided clues about events deep within the African continent is the ‘greening’ of the Sahara about 120,000 years ago.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An aquatic sludge-like sediment rich in organic matter formed in oxygen-free areas at the bottom of lakes, seas etc."
      ],
      "id": "en-sapropel-en-noun-0WCPNs5u",
      "links": [
        [
          "geology",
          "geology"
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          "aquatic",
          "aquatic"
        ],
        [
          "sludge",
          "sludge"
        ],
        [
          "like",
          "like"
        ],
        [
          "sediment",
          "sediment"
        ],
        [
          "organic matter",
          "organic matter"
        ]
      ],
      "raw_glosses": [
        "(geology) An aquatic sludge-like sediment rich in organic matter formed in oxygen-free areas at the bottom of lakes, seas etc."
      ],
      "tags": [
        "countable",
        "uncountable"
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      "topics": [
        "geography",
        "geology",
        "natural-sciences"
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    {
      "ipa": "/ˈsapɹə(ʊ)pɛl/",
      "tags": [
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  "word": "sapropel"
}

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        "1": "en",
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        "3": "πηλός",
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      },
      "expansion": "Ancient Greek πηλός (pēlós, “mud, clay”)",
      "name": "der"
    }
  ],
  "etymology_text": "From German Sapropel, corresponding to sapro- + Ancient Greek πηλός (pēlós, “mud, clay”).",
  "forms": [
    {
      "form": "sapropels",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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        }
      ],
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        "An aquatic sludge-like sediment rich in organic matter formed in oxygen-free areas at the bottom of lakes, seas etc."
      ],
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          "geology"
        ],
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          "aquatic",
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          "sludge"
        ],
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          "like",
          "like"
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          "sediment",
          "sediment"
        ],
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          "organic matter",
          "organic matter"
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        "(geology) An aquatic sludge-like sediment rich in organic matter formed in oxygen-free areas at the bottom of lakes, seas etc."
      ],
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        "countable",
        "uncountable"
      ],
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        "geography",
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        "natural-sciences"
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    {
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  "word": "sapropel"
}