"betaproteobacterium" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "beta",
        "3": "proteo-",
        "4": "bacterium"
      },
      "expansion": "beta + proteo- + bacterium",
      "name": "affix"
    }
  ],
  "etymology_text": "From beta + proteo- + bacterium.",
  "forms": [
    {
      "form": "betaproteobacteria",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "betaproteobacteria"
      },
      "expansion": "betaproteobacterium (plural betaproteobacteria)",
      "name": "en-noun"
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  ],
  "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"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English terms prefixed with proteo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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          "parents": [],
          "source": "w"
        },
        {
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          "source": "w"
        }
      ],
      "glosses": [
        "Any bacterium of the class Betaproteobacteria"
      ],
      "id": "en-betaproteobacterium-en-noun-eqO-H0pP",
      "links": [
        [
          "bacterium",
          "bacterium"
        ],
        [
          "Betaproteobacteria",
          "Betaproteobacteria#Translingual"
        ]
      ],
      "related": [
        {
          "word": "betaproteobacterial"
        }
      ]
    }
  ],
  "word": "betaproteobacterium"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "beta",
        "3": "proteo-",
        "4": "bacterium"
      },
      "expansion": "beta + proteo- + bacterium",
      "name": "affix"
    }
  ],
  "etymology_text": "From beta + proteo- + bacterium.",
  "forms": [
    {
      "form": "betaproteobacteria",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "betaproteobacteria"
      },
      "expansion": "betaproteobacterium (plural betaproteobacteria)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "betaproteobacterial"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms prefixed with proteo-",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Any bacterium of the class Betaproteobacteria"
      ],
      "links": [
        [
          "bacterium",
          "bacterium"
        ],
        [
          "Betaproteobacteria",
          "Betaproteobacteria#Translingual"
        ]
      ]
    }
  ],
  "word": "betaproteobacterium"
}