"impactor" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "impact",
        "3": "or"
      },
      "expansion": "impact + -or",
      "name": "suffix"
    }
  ],
  "etymology_text": "impact + -or",
  "forms": [
    {
      "form": "impactors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "impactor (plural impactors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "92 8",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
        },
        {
          "_dis": "77 23",
          "kind": "other",
          "name": "English terms suffixed with -or",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "cascade impactor (particle measurement device)",
          "type": "example"
        }
      ],
      "glosses": [
        "Any of several machines or devices in which a part impacts on another, or on a material."
      ],
      "id": "en-impactor-en-noun-cka503ni",
      "links": [
        [
          "machine",
          "machine"
        ],
        [
          "device",
          "device"
        ],
        [
          "impact",
          "impact"
        ]
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "Chicxulub impactor",
          "type": "example"
        },
        {
          "ref": "2021 February 15, Becky Ferreira, “Where Did the Dinosaur-Killing Impactor Come From?”, in The New York Times, →ISSN",
          "text": "Although Dr. Bottke remains unconvinced that the impactor had a cometary origin, he noted that the asteroid explanation also raised many exciting and unresolved questions.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An object which impacts another."
      ],
      "id": "en-impactor-en-noun-ML47jCbm",
      "links": [
        [
          "impact",
          "impact"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɪmˈpæktɚ/",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "/ɪmˈpæktə/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "rhymes": "-æktə(ɹ)"
    }
  ],
  "word": "impactor"
}

{
  "categories": [
    "English 3-syllable words",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms suffixed with -or",
    "English terms with IPA pronunciation",
    "Rhymes:English/æktə(ɹ)",
    "Rhymes:English/æktə(ɹ)/3 syllables"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "impact",
        "3": "or"
      },
      "expansion": "impact + -or",
      "name": "suffix"
    }
  ],
  "etymology_text": "impact + -or",
  "forms": [
    {
      "form": "impactors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "impactor (plural impactors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "cascade impactor (particle measurement device)",
          "type": "example"
        }
      ],
      "glosses": [
        "Any of several machines or devices in which a part impacts on another, or on a material."
      ],
      "links": [
        [
          "machine",
          "machine"
        ],
        [
          "device",
          "device"
        ],
        [
          "impact",
          "impact"
        ]
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "Chicxulub impactor",
          "type": "example"
        },
        {
          "ref": "2021 February 15, Becky Ferreira, “Where Did the Dinosaur-Killing Impactor Come From?”, in The New York Times, →ISSN",
          "text": "Although Dr. Bottke remains unconvinced that the impactor had a cometary origin, he noted that the asteroid explanation also raised many exciting and unresolved questions.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An object which impacts another."
      ],
      "links": [
        [
          "impact",
          "impact"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɪmˈpæktɚ/",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "/ɪmˈpæktə/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "rhymes": "-æktə(ɹ)"
    }
  ],
  "word": "impactor"
}