"prereduced" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "reduced"
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      "expansion": "pre- + reduced",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + reduced.",
  "head_templates": [
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      "args": {
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      "expansion": "prereduced (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pre-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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          "ref": "2015 December 3, “Levan Enhances Associated Growth of Bacteroides, Escherichia, Streptococcus and Faecalibacterium in Fecal Microbiota”, in PLOS ONE, →DOI:",
          "text": "Before inoculation, the growth media were prereduced in an anaerobic jar (Anaero-Gen™, Oxoid Inc.,UK), supplemented with stock solutions of freshly prepared and filter-sterilized Cys-HCl (concentration in the medium 0.5 g/L) and autoclaved sodium thioglycolate (concentration in the medium 0.5 g/L) as reducing agents.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "reduced prior to some other operation"
      ],
      "id": "en-prereduced-en-adj-JQkpbjHA",
      "links": [
        [
          "reduced",
          "reduced"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "prereduced"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "reduced"
      },
      "expansion": "pre- + reduced",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + reduced.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "prereduced (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with pre-",
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        "English uncomparable adjectives",
        "Pages with 1 entry",
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          "ref": "2015 December 3, “Levan Enhances Associated Growth of Bacteroides, Escherichia, Streptococcus and Faecalibacterium in Fecal Microbiota”, in PLOS ONE, →DOI:",
          "text": "Before inoculation, the growth media were prereduced in an anaerobic jar (Anaero-Gen™, Oxoid Inc.,UK), supplemented with stock solutions of freshly prepared and filter-sterilized Cys-HCl (concentration in the medium 0.5 g/L) and autoclaved sodium thioglycolate (concentration in the medium 0.5 g/L) as reducing agents.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "reduced prior to some other operation"
      ],
      "links": [
        [
          "reduced",
          "reduced"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "prereduced"
}