"lí thuyết" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "理說"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "理說",
        "2": "theory"
      },
      "expansion": "Sino-Vietnamese word from 理說 (“theory”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 理說 (“theory”) (which is now obsolete).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "lí thuyết",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "lí thuyết",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Sciences",
          "orig": "vi:Sciences",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "hoá học lí thuyết"
        },
        {
          "word": "khoa học máy tính lí thuyết"
        },
        {
          "word": "lý thuyết âm nhạc"
        },
        {
          "word": "vật lí lí thuyết"
        }
      ],
      "glosses": [
        "theory"
      ],
      "id": "en-lí_thuyết-vi-noun-9Dl7SAXg",
      "links": [
        [
          "theory",
          "theory"
        ]
      ],
      "related": [
        {
          "word": "thực hành"
        }
      ],
      "synonyms": [
        {
          "word": "lý thuyết"
        }
      ],
      "wikipedia": [
        "vi:lí thuyết"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[li˧˦ tʰwiət̚˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[lɪj˨˩˦ tʰwiək̚˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[lɪj˦˥ tʰ⁽ʷ⁾iək̚˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "lí thuyết"
}

{
  "derived": [
    {
      "word": "hoá học lí thuyết"
    },
    {
      "word": "khoa học máy tính lí thuyết"
    },
    {
      "word": "lý thuyết âm nhạc"
    },
    {
      "word": "vật lí lí thuyết"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "理說"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "理說",
        "2": "theory"
      },
      "expansion": "Sino-Vietnamese word from 理說 (“theory”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 理說 (“theory”) (which is now obsolete).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "lí thuyết",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "lí thuyết",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "related": [
    {
      "word": "thực hành"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Vietnamese words",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese terms with IPA pronunciation",
        "vi:Sciences"
      ],
      "glosses": [
        "theory"
      ],
      "links": [
        [
          "theory",
          "theory"
        ]
      ],
      "wikipedia": [
        "vi:lí thuyết"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[li˧˦ tʰwiət̚˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[lɪj˨˩˦ tʰwiək̚˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[lɪj˦˥ tʰ⁽ʷ⁾iək̚˦˥]",
      "note": "Saigon"
    }
  ],
  "synonyms": [
    {
      "word": "lý thuyết"
    }
  ],
  "word": "lí thuyết"
}