"procarcinogen" meaning in English

{
  "etymology_links": [
    [
      "pro-",
      "pro-#English:_before"
    ],
    [
      "carcinogen",
      "carcinogen#English"
    ]
  ],
  "etymology_templates": [
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        "1": "en",
        "2": ":af",
        "3": "pro-<id:before>",
        "4": "carcinogen",
        "text": "+",
        "tree": "1"
      },
      "expansion": "From pro- + carcinogen.",
      "name": "ety"
    },
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "pro-<id:before>",
        "4": "carcinogen",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *per-der.?\nProto-Indo-European *per-der.?\nProto-Indo-European *pér\nProto-Indo-European *-o\nProto-Indo-European *próder.\nAncient Greek πρό (pró)der.\nEnglish pro-\nEnglish carcino-\nProto-Indo-European *ǵenh₁-\nProto-Indo-European *-os\nProto-Indo-European *ǵénh₁os\nProto-Hellenic *génos\nAncient Greek γένος (génos)\nProto-Indo-European *-os\nProto-Indo-European *-ēs\nProto-Hellenic *-ēs\nAncient Greek -ης (-ēs)\nAncient Greek -γενής (-genḗs)lbor.\nFrench -gènebor.\nEnglish -gen\nEnglish carcinogen\nEnglish procarcinogen\nFrom pro- + carcinogen.",
      "name": "ety"
    }
  ],
  "etymology_text": "From pro- + carcinogen.",
  "forms": [
    {
      "form": "procarcinogens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "procarcinogen (plural procarcinogens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pro- (before)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Any substance that is transformed into a carcinogen by metabolism."
      ],
      "id": "en-procarcinogen-en-noun-eEOsHrpI",
      "links": [
        [
          "carcinogen",
          "carcinogen"
        ],
        [
          "metabolism",
          "metabolism"
        ]
      ]
    }
  ],
  "word": "procarcinogen"
}

{
  "etymology_links": [
    [
      "pro-",
      "pro-#English:_before"
    ],
    [
      "carcinogen",
      "carcinogen#English"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "pro-<id:before>",
        "4": "carcinogen",
        "text": "+",
        "tree": "1"
      },
      "expansion": "From pro- + carcinogen.",
      "name": "ety"
    },
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "pro-<id:before>",
        "4": "carcinogen",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *per-der.?\nProto-Indo-European *per-der.?\nProto-Indo-European *pér\nProto-Indo-European *-o\nProto-Indo-European *próder.\nAncient Greek πρό (pró)der.\nEnglish pro-\nEnglish carcino-\nProto-Indo-European *ǵenh₁-\nProto-Indo-European *-os\nProto-Indo-European *ǵénh₁os\nProto-Hellenic *génos\nAncient Greek γένος (génos)\nProto-Indo-European *-os\nProto-Indo-European *-ēs\nProto-Hellenic *-ēs\nAncient Greek -ης (-ēs)\nAncient Greek -γενής (-genḗs)lbor.\nFrench -gènebor.\nEnglish -gen\nEnglish carcinogen\nEnglish procarcinogen\nFrom pro- + carcinogen.",
      "name": "ety"
    }
  ],
  "etymology_text": "From pro- + carcinogen.",
  "forms": [
    {
      "form": "procarcinogens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "procarcinogen (plural procarcinogens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with etymology texts",
        "English entries with etymology trees",
        "English entries with etymon",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from the Proto-Indo-European root *per- (before)",
        "English terms derived from the Proto-Indo-European root *per- (fare)",
        "English terms derived from the Proto-Indo-European root *ǵenh₁-",
        "English terms prefixed with pro- (before)",
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymology trees",
        "Pages with etymon"
      ],
      "glosses": [
        "Any substance that is transformed into a carcinogen by metabolism."
      ],
      "links": [
        [
          "carcinogen",
          "carcinogen"
        ],
        [
          "metabolism",
          "metabolism"
        ]
      ]
    }
  ],
  "word": "procarcinogen"
}