"khí hiếm" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "khí",
        "3": "hiếm",
        "t1": "gas",
        "t2": "rare"
      },
      "expansion": "khí (“gas”) + hiếm (“rare”)",
      "name": "af"
    },
    {
      "args": {
        "1": "ja",
        "2": "希ガス",
        "tr": "ki-gasu"
      },
      "expansion": "Japanese 希ガス (ki-gasu)",
      "name": "cog"
    }
  ],
  "etymology_text": "From khí (“gas”) + hiếm (“rare”). Compare Japanese 希ガス (ki-gasu).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "khí hiếm",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "khí hiếm",
      "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": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Noble gases",
          "orig": "vi:Noble gases",
          "parents": [
            "Chemical elements",
            "Gases",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "noble gas"
      ],
      "id": "en-khí_hiếm-vi-noun-arJlqmZF",
      "links": [
        [
          "noble gas",
          "noble gas"
        ]
      ],
      "synonyms": [
        {
          "word": "khí trơ"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xi˧˦ hiəm˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[kʰɪj˨˩˦ hiəm˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[xɪj˨˩˦ hiəm˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[kʰɪj˦˥ him˦˥]",
      "note": "Saigon"
    },
    {
      "ipa": "[xɪj˦˥ him˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "khí hiếm"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "khí",
        "3": "hiếm",
        "t1": "gas",
        "t2": "rare"
      },
      "expansion": "khí (“gas”) + hiếm (“rare”)",
      "name": "af"
    },
    {
      "args": {
        "1": "ja",
        "2": "希ガス",
        "tr": "ki-gasu"
      },
      "expansion": "Japanese 希ガス (ki-gasu)",
      "name": "cog"
    }
  ],
  "etymology_text": "From khí (“gas”) + hiếm (“rare”). Compare Japanese 希ガス (ki-gasu).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "khí hiếm",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "khí hiếm",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Vietnamese compound terms",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese terms with IPA pronunciation",
        "vi:Noble gases"
      ],
      "glosses": [
        "noble gas"
      ],
      "links": [
        [
          "noble gas",
          "noble gas"
        ]
      ],
      "synonyms": [
        {
          "word": "khí trơ"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xi˧˦ hiəm˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[kʰɪj˨˩˦ hiəm˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[xɪj˨˩˦ hiəm˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[kʰɪj˦˥ him˦˥]",
      "note": "Saigon"
    },
    {
      "ipa": "[xɪj˦˥ him˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "khí hiếm"
}