"defined medium" meaning in All languages combined

{
  "antonyms": [
    {
      "word": "complex medium"
    },
    {
      "word": "natural medium"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "英語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "defined media",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "英語 微生物学",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "合成培地、完全合成培地、限定培地。精製された化学物質のみで組成された培地。"
      ],
      "id": "ja-defined_medium-en-noun-k09br0Cx",
      "topics": [
        "microbiology"
      ]
    }
  ],
  "word": "defined medium"
}

{
  "antonyms": [
    {
      "word": "complex medium"
    },
    {
      "word": "natural medium"
    }
  ],
  "categories": [
    "英語",
    "英語 名詞"
  ],
  "forms": [
    {
      "form": "defined media",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "英語 微生物学"
      ],
      "glosses": [
        "合成培地、完全合成培地、限定培地。精製された化学物質のみで組成された培地。"
      ],
      "topics": [
        "microbiology"
      ]
    }
  ],
  "word": "defined medium"
}