"pseudovector" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pseudo",
        "3": "vector"
      },
      "expansion": "pseudo- + vector",
      "name": "prefix"
    }
  ],
  "etymology_text": "pseudo- + vector",
  "forms": [
    {
      "form": "pseudovectors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pseudovector (plural pseudovectors)",
      "name": "en-noun"
    }
  ],
  "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pseudo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "Pauli-Lubanski pseudovector"
        }
      ],
      "glosses": [
        "A quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation"
      ],
      "id": "en-pseudovector-en-noun-n91IQNbF",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "quantity",
          "quantity"
        ],
        [
          "transform",
          "transform"
        ],
        [
          "vector",
          "vector"
        ],
        [
          "proper rotation",
          "proper rotation"
        ],
        [
          "sign",
          "sign"
        ],
        [
          "improper rotation",
          "improper rotation"
        ]
      ],
      "raw_glosses": [
        "(mathematics, physics) A quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation"
      ],
      "topics": [
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "physics",
        "sciences"
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "pseudovector"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "word": "pseudovettore"
        }
      ],
      "wikipedia": [
        "pseudovector"
      ]
    }
  ],
  "word": "pseudovector"
}

{
  "derived": [
    {
      "word": "Pauli-Lubanski pseudovector"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pseudo",
        "3": "vector"
      },
      "expansion": "pseudo- + vector",
      "name": "prefix"
    }
  ],
  "etymology_text": "pseudo- + vector",
  "forms": [
    {
      "form": "pseudovectors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pseudovector (plural pseudovectors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with pseudo-",
        "Translation table header lacks gloss",
        "en:Mathematics",
        "en:Physics"
      ],
      "glosses": [
        "A quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "quantity",
          "quantity"
        ],
        [
          "transform",
          "transform"
        ],
        [
          "vector",
          "vector"
        ],
        [
          "proper rotation",
          "proper rotation"
        ],
        [
          "sign",
          "sign"
        ],
        [
          "improper rotation",
          "improper rotation"
        ]
      ],
      "raw_glosses": [
        "(mathematics, physics) A quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation"
      ],
      "topics": [
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "physics",
        "sciences"
      ],
      "wikipedia": [
        "pseudovector"
      ]
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "pseudovector"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "word": "pseudovettore"
    }
  ],
  "word": "pseudovector"
}