"MacConkey agar" meaning in English

{
  "etymology_text": "The medium was developed by the bacteriologist Alfred Theodore MacConkey.",
  "forms": [
    {
      "form": "MacConkey agars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "MacConkey agar (countable and uncountable, plural MacConkey agars)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "sorbitol MacConkey agar"
        }
      ],
      "glosses": [
        "A culture medium designed to grow gram-negative bacteria and differentiate them for lactose fermentation."
      ],
      "id": "en-MacConkey_agar-en-noun-08b~H55N",
      "links": [
        [
          "culture",
          "culture"
        ],
        [
          "medium",
          "medium"
        ],
        [
          "gram-negative",
          "gram-negative"
        ],
        [
          "bacteria",
          "bacteria"
        ],
        [
          "differentiate",
          "differentiate"
        ],
        [
          "lactose",
          "lactose"
        ],
        [
          "fermentation",
          "fermentation"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "MacConkey agar"
      ]
    }
  ],
  "word": "MacConkey agar"
}

{
  "derived": [
    {
      "word": "sorbitol MacConkey agar"
    }
  ],
  "etymology_text": "The medium was developed by the bacteriologist Alfred Theodore MacConkey.",
  "forms": [
    {
      "form": "MacConkey agars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "MacConkey agar (countable and uncountable, plural MacConkey agars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A culture medium designed to grow gram-negative bacteria and differentiate them for lactose fermentation."
      ],
      "links": [
        [
          "culture",
          "culture"
        ],
        [
          "medium",
          "medium"
        ],
        [
          "gram-negative",
          "gram-negative"
        ],
        [
          "bacteria",
          "bacteria"
        ],
        [
          "differentiate",
          "differentiate"
        ],
        [
          "lactose",
          "lactose"
        ],
        [
          "fermentation",
          "fermentation"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "MacConkey agar"
      ]
    }
  ],
  "word": "MacConkey agar"
}