"입실론" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "grc",
        "3": "ὖ ψιλόν"
      },
      "expansion": "Ancient Greek ὖ ψιλόν (û psilón)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ὖ ψιλόν (û psilón).",
  "forms": [
    {
      "form": "ipsillon",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "입실론 • (ipsillon)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual terms with redundant script codes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ko",
          "name": "Greek letter names",
          "orig": "ko:Greek letter names",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "upsilon (name of the Greek, Ancient Greek letter υ)"
      ],
      "id": "en-입실론-ko-noun-tCDg2GkD",
      "links": [
        [
          "upsilon",
          "upsilon"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ipɕ͈iɭɭo̞n]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "입씰론"
    },
    {
      "other": "[입씰론]"
    }
  ],
  "word": "입실론"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "grc",
        "3": "ὖ ψιλόν"
      },
      "expansion": "Ancient Greek ὖ ψιλόν (û psilón)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ὖ ψιλόν (û psilón).",
  "forms": [
    {
      "form": "ipsillon",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "입실론 • (ipsillon)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms derived from Ancient Greek",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Translingual terms with redundant script codes",
        "ko:Greek letter names"
      ],
      "glosses": [
        "upsilon (name of the Greek, Ancient Greek letter υ)"
      ],
      "links": [
        [
          "upsilon",
          "upsilon"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ipɕ͈iɭɭo̞n]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "입씰론"
    },
    {
      "other": "[입씰론]"
    }
  ],
  "word": "입실론"
}