"avirulent" meaning in English

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        "3": "virulent",
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      "expansion": "a- + virulent",
      "name": "af"
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  ],
  "etymology_text": "From a- + virulent.",
  "forms": [
    {
      "form": "more avirulent",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most avirulent",
      "tags": [
        "superlative"
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  "head_templates": [
    {
      "args": {},
      "expansion": "avirulent (comparative more avirulent, superlative most avirulent)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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      "examples": [
        {
          "ref": "2012, Gerald T. Keusch, “Invasive Bacterial Diarrheas”, in Lincoln Chen, editor, Diarrhea and Malnutrition, page 54:",
          "text": "An isolate from raw fish, serotype 0:6, unable to invade HeLa cells and negative for heat-stable enterotoxin, was clinically avirulent in this model and caused no lesions by histological examination.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Not virulent."
      ],
      "id": "en-avirulent-en-adj-aPQQqAAo",
      "links": [
        [
          "virulent",
          "virulent"
        ]
      ],
      "related": [
        {
          "word": "avirulence"
        },
        {
          "word": "avirulency"
        }
      ]
    }
  ],
  "word": "avirulent"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "a-",
        "3": "virulent",
        "id1": "not"
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      "expansion": "a- + virulent",
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    }
  ],
  "etymology_text": "From a- + virulent.",
  "forms": [
    {
      "form": "more avirulent",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most avirulent",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "avirulent (comparative more avirulent, superlative most avirulent)",
      "name": "en-adj"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "avirulence"
    },
    {
      "word": "avirulency"
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  ],
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          "ref": "2012, Gerald T. Keusch, “Invasive Bacterial Diarrheas”, in Lincoln Chen, editor, Diarrhea and Malnutrition, page 54:",
          "text": "An isolate from raw fish, serotype 0:6, unable to invade HeLa cells and negative for heat-stable enterotoxin, was clinically avirulent in this model and caused no lesions by histological examination.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Not virulent."
      ],
      "links": [
        [
          "virulent",
          "virulent"
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    }
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  "word": "avirulent"
}