"μηδενίζω" meaning in Greek

{
  "forms": [
    {
      "form": "midenízo",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "μηδένισα",
      "tags": [
        "past"
      ]
    },
    {
      "form": "μηδενίζομαι",
      "tags": [
        "passive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "verbs",
        "head": "",
        "sort": ""
      },
      "expansion": "μηδενίζω • (midenízo)",
      "name": "head"
    },
    {
      "args": {
        "passive": "μηδενίζομαι",
        "past": "μηδένισα"
      },
      "expansion": "μηδενίζω • (midenízo) (past μηδένισα, passive μηδενίζομαι)",
      "name": "el-verb"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "verb",
  "related": [
    {
      "_dis1": "0 0 0",
      "english": "zero",
      "roman": "midén",
      "sense": "see",
      "tags": [
        "neuter"
      ],
      "word": "μηδέν"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "48 48 4",
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "he zeroed the odometer",
          "roman": "midénise to odómetro",
          "text": "μηδένισε το οδόμετρο",
          "type": "example"
        }
      ],
      "glosses": [
        "to set to zero",
        "to zero"
      ],
      "id": "en-μηδενίζω-el-verb-0idHFGQ6",
      "links": [
        [
          "set",
          "set"
        ],
        [
          "zero",
          "zero"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "48 48 4",
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "the plagiarist had his marks set to zero",
          "roman": "o logoklópos midenízetai",
          "text": "ο λογοκλόπος μηδενίζεται",
          "type": "example"
        }
      ],
      "glosses": [
        "to set to zero",
        "to allocate zero marks"
      ],
      "id": "en-μηδενίζω-el-verb-Co6O9MpH",
      "links": [
        [
          "set",
          "set"
        ],
        [
          "zero",
          "zero"
        ],
        [
          "allocate",
          "allocate"
        ],
        [
          "marks",
          "marks"
        ]
      ]
    },
    {
      "glosses": [
        "to cancel, cancel out"
      ],
      "id": "en-μηδενίζω-el-verb-ik3OLruE",
      "links": [
        [
          "cancel",
          "cancel"
        ],
        [
          "cancel out",
          "cancel out"
        ]
      ]
    }
  ],
  "word": "μηδενίζω"
}

{
  "categories": [
    "Greek entries with incorrect language header",
    "Greek lemmas",
    "Greek verbs"
  ],
  "forms": [
    {
      "form": "midenízo",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "μηδένισα",
      "tags": [
        "past"
      ]
    },
    {
      "form": "μηδενίζομαι",
      "tags": [
        "passive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "verbs",
        "head": "",
        "sort": ""
      },
      "expansion": "μηδενίζω • (midenízo)",
      "name": "head"
    },
    {
      "args": {
        "passive": "μηδενίζομαι",
        "past": "μηδένισα"
      },
      "expansion": "μηδενίζω • (midenízo) (past μηδένισα, passive μηδενίζομαι)",
      "name": "el-verb"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "verb",
  "related": [
    {
      "english": "zero",
      "roman": "midén",
      "sense": "see",
      "tags": [
        "neuter"
      ],
      "word": "μηδέν"
    }
  ],
  "senses": [
    {
      "categories": [
        "Greek terms with usage examples"
      ],
      "examples": [
        {
          "english": "he zeroed the odometer",
          "roman": "midénise to odómetro",
          "text": "μηδένισε το οδόμετρο",
          "type": "example"
        }
      ],
      "glosses": [
        "to set to zero",
        "to zero"
      ],
      "links": [
        [
          "set",
          "set"
        ],
        [
          "zero",
          "zero"
        ]
      ]
    },
    {
      "categories": [
        "Greek terms with usage examples"
      ],
      "examples": [
        {
          "english": "the plagiarist had his marks set to zero",
          "roman": "o logoklópos midenízetai",
          "text": "ο λογοκλόπος μηδενίζεται",
          "type": "example"
        }
      ],
      "glosses": [
        "to set to zero",
        "to allocate zero marks"
      ],
      "links": [
        [
          "set",
          "set"
        ],
        [
          "zero",
          "zero"
        ],
        [
          "allocate",
          "allocate"
        ],
        [
          "marks",
          "marks"
        ]
      ]
    },
    {
      "glosses": [
        "to cancel, cancel out"
      ],
      "links": [
        [
          "cancel",
          "cancel"
        ],
        [
          "cancel out",
          "cancel out"
        ]
      ]
    }
  ],
  "word": "μηδενίζω"
}