"필수 지방산" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "必須脂肪酸"
      },
      "expansion": "Sino-Korean word from 必須脂肪酸",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 必須脂肪酸",
  "forms": [
    {
      "form": "pilsu jibangsan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "必須脂肪酸",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "必須脂肪酸"
      },
      "expansion": "필수 지방산 • (pilsu jibangsan) (hanja 必須脂肪酸)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Biochemistry",
          "orig": "ko:Biochemistry",
          "parents": [
            "Biology",
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "essential fatty acid"
      ],
      "id": "en-필수_지방산-ko-noun-ZPqaVCMi",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "essential fatty acid",
          "essential fatty acid"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) essential fatty acid"
      ],
      "synonyms": [
        {
          "alt": "不可缺脂肪酸",
          "roman": "bulgagyeol jibangsan",
          "word": "불가결 지방산"
        }
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʰiɭsʰu t͡ɕiba̠ŋsʰa̠n]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "필수지방산"
    },
    {
      "other": "[필수지방산]"
    }
  ],
  "word": "필수 지방산"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "必須脂肪酸"
      },
      "expansion": "Sino-Korean word from 必須脂肪酸",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 必須脂肪酸",
  "forms": [
    {
      "form": "pilsu jibangsan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "必須脂肪酸",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "必須脂肪酸"
      },
      "expansion": "필수 지방산 • (pilsu jibangsan) (hanja 必須脂肪酸)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean multiword terms",
        "Korean nouns",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Korean words",
        "ko:Biochemistry"
      ],
      "glosses": [
        "essential fatty acid"
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "essential fatty acid",
          "essential fatty acid"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) essential fatty acid"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʰiɭsʰu t͡ɕiba̠ŋsʰa̠n]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "필수지방산"
    },
    {
      "other": "[필수지방산]"
    }
  ],
  "synonyms": [
    {
      "alt": "不可缺脂肪酸",
      "roman": "bulgagyeol jibangsan",
      "word": "불가결 지방산"
    }
  ],
  "word": "필수 지방산"
}