"tích vô hướng" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "tích",
        "3": "vô hướng",
        "t1": "product",
        "t2": "scalar"
      },
      "expansion": "tích (“product”) + vô hướng (“scalar”)",
      "name": "af"
    }
  ],
  "etymology_text": "From tích (“product”) + vô hướng (“scalar”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "tích vô hướng",
        "tr": ""
      },
      "expansion": "tích vô hướng",
      "name": "head"
    },
    {
      "args": {
        "head": "tích vô hướng"
      },
      "expansion": "tích vô hướng",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese nouns without classifiers",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Linear algebra",
          "orig": "vi:Linear algebra",
          "parents": [
            "Algebra",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a scalar product"
      ],
      "id": "en-tích_vô_hướng-vi-noun-AMnooCh4",
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "scalar product",
          "scalar product#English"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) a scalar product"
      ],
      "related": [
        {
          "word": "tích có hướng"
        }
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tïk̟̚˧˦ vo˧˧ hɨəŋ˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tɨt̚˦˧˥ vow˧˧ hɨəŋ˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tɨt̚˦˥ vow˧˧ hɨəŋ˦˥]",
      "note": "Saigon"
    },
    {
      "ipa": "[tɨt̚˦˥ jow˧˧ hɨəŋ˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "tích vô hướng"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "tích",
        "3": "vô hướng",
        "t1": "product",
        "t2": "scalar"
      },
      "expansion": "tích (“product”) + vô hướng (“scalar”)",
      "name": "af"
    }
  ],
  "etymology_text": "From tích (“product”) + vô hướng (“scalar”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "tích vô hướng",
        "tr": ""
      },
      "expansion": "tích vô hướng",
      "name": "head"
    },
    {
      "args": {
        "head": "tích vô hướng"
      },
      "expansion": "tích vô hướng",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "related": [
    {
      "word": "tích có hướng"
    }
  ],
  "senses": [
    {
      "categories": [
        "English links with redundant wikilinks",
        "Vietnamese compound terms",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese nouns without classifiers",
        "Vietnamese terms with IPA pronunciation",
        "vi:Linear algebra"
      ],
      "glosses": [
        "a scalar product"
      ],
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "scalar product",
          "scalar product#English"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) a scalar product"
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tïk̟̚˧˦ vo˧˧ hɨəŋ˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tɨt̚˦˧˥ vow˧˧ hɨəŋ˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tɨt̚˦˥ vow˧˧ hɨəŋ˦˥]",
      "note": "Saigon"
    },
    {
      "ipa": "[tɨt̚˦˥ jow˧˧ hɨəŋ˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "tích vô hướng"
}