"vạn vật học" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "萬物學"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "萬物",
        "2": "ten thousand things",
        "3": "學",
        "4": "study",
        "suffix": "học"
      },
      "expansion": "Sino-Vietnamese word from 萬物 (“ten thousand things”) and 學 (“study”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 萬物 (“ten thousand things”) and 學 (“study”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "vạn vật học",
        "tr": ""
      },
      "expansion": "vạn vật học",
      "name": "head"
    },
    {
      "args": {
        "head": "vạn vật học"
      },
      "expansion": "vạn vật học",
      "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": "Sino-Vietnamese words with uncreated Han etymology",
          "parents": [],
          "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 terms suffixed with -học",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "science of nature"
      ],
      "id": "en-vạn_vật_học-vi-noun-cKPQ9cpK",
      "links": [
        [
          "science",
          "science"
        ],
        [
          "nature",
          "nature"
        ]
      ],
      "raw_glosses": [
        "(dated) science of nature"
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[vaːn˧˨ʔ vət̚˧˨ʔ hawk͡p̚˧˨ʔ]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[vaːŋ˨˩ʔ vək̚˨˩ʔ hawk͡p̚˨˩ʔ]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[vaːŋ˨˩˨ vək̚˨˩˨ hawk͡p̚˨˩˨]",
      "note": "Saigon"
    },
    {
      "ipa": "[jaːŋ˨˩˨ jək̚˨˩˨ hawk͡p̚˨˩˨]",
      "note": "Saigon"
    }
  ],
  "word": "vạn vật học"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "萬物學"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "萬物",
        "2": "ten thousand things",
        "3": "學",
        "4": "study",
        "suffix": "học"
      },
      "expansion": "Sino-Vietnamese word from 萬物 (“ten thousand things”) and 學 (“study”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 萬物 (“ten thousand things”) and 學 (“study”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "vạn vật học",
        "tr": ""
      },
      "expansion": "vạn vật học",
      "name": "head"
    },
    {
      "args": {
        "head": "vạn vật học"
      },
      "expansion": "vạn vật học",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Vietnamese words",
        "Sino-Vietnamese words with uncreated Han etymology",
        "Vietnamese dated terms",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese terms suffixed with -học",
        "Vietnamese terms with IPA pronunciation"
      ],
      "glosses": [
        "science of nature"
      ],
      "links": [
        [
          "science",
          "science"
        ],
        [
          "nature",
          "nature"
        ]
      ],
      "raw_glosses": [
        "(dated) science of nature"
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[vaːn˧˨ʔ vət̚˧˨ʔ hawk͡p̚˧˨ʔ]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[vaːŋ˨˩ʔ vək̚˨˩ʔ hawk͡p̚˨˩ʔ]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[vaːŋ˨˩˨ vək̚˨˩˨ hawk͡p̚˨˩˨]",
      "note": "Saigon"
    },
    {
      "ipa": "[jaːŋ˨˩˨ jək̚˨˩˨ hawk͡p̚˨˩˨]",
      "note": "Saigon"
    }
  ],
  "word": "vạn vật học"
}