"확산" meaning in Korean

{
  "derived": [
    {
      "_dis1": "0 0",
      "alt": "擴散—",
      "roman": "hwaksanhada",
      "word": "확산하다"
    },
    {
      "_dis1": "0 0",
      "alt": "擴散—",
      "roman": "hwaksandoeda",
      "word": "확산되다"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "擴散"
      },
      "expansion": "Sino-Korean word from 擴散",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 擴散.",
  "forms": [
    {
      "form": "hwaksan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "擴散",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "擴散"
      },
      "expansion": "확산 • (hwaksan) (hanja 擴散)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "spreading; dissemination"
      ],
      "id": "en-확산-ko-noun-ucxE01LH",
      "links": [
        [
          "spreading",
          "spreading"
        ],
        [
          "dissemination",
          "dissemination"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Physics",
          "orig": "ko:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "11 89",
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "9 91",
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "19 81",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "diffusion"
      ],
      "id": "en-확산-ko-noun-FRAUo65~",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "diffusion",
          "diffusion"
        ]
      ],
      "raw_glosses": [
        "(physics) diffusion"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɸwa̠ks͈a̠n]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "확싼"
    },
    {
      "other": "[확싼]"
    }
  ],
  "word": "확산"
}

{
  "categories": [
    "Korean entries with incorrect language header",
    "Korean lemmas",
    "Korean nouns",
    "Korean terms with IPA pronunciation",
    "Korean terms with redundant script codes",
    "Korean terms with redundant transliterations",
    "Pages with 1 entry",
    "Sino-Korean words"
  ],
  "derived": [
    {
      "alt": "擴散—",
      "roman": "hwaksanhada",
      "word": "확산하다"
    },
    {
      "alt": "擴散—",
      "roman": "hwaksandoeda",
      "word": "확산되다"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "擴散"
      },
      "expansion": "Sino-Korean word from 擴散",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 擴散.",
  "forms": [
    {
      "form": "hwaksan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "擴散",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "擴散"
      },
      "expansion": "확산 • (hwaksan) (hanja 擴散)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "spreading; dissemination"
      ],
      "links": [
        [
          "spreading",
          "spreading"
        ],
        [
          "dissemination",
          "dissemination"
        ]
      ]
    },
    {
      "categories": [
        "ko:Physics"
      ],
      "glosses": [
        "diffusion"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "diffusion",
          "diffusion"
        ]
      ],
      "raw_glosses": [
        "(physics) diffusion"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɸwa̠ks͈a̠n]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "확싼"
    },
    {
      "other": "[확싼]"
    }
  ],
  "word": "확산"
}