"cáustica" meaning in Spanish

{
  "forms": [
    {
      "form": "cáusticas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "cáustica f (plural cáusticas)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "cáus‧ti‧ca"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Optics",
          "orig": "es:Optics",
          "parents": [
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "caustic"
      ],
      "id": "en-cáustica-es-noun-t-RRhfuP",
      "links": [
        [
          "optics",
          "optics"
        ],
        [
          "caustic",
          "caustic"
        ]
      ],
      "raw_glosses": [
        "(optics) caustic"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "optics",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkaustika/"
    },
    {
      "ipa": "[ˈkau̯s.t̪i.ka]"
    },
    {
      "rhymes": "-austika"
    }
  ],
  "word": "cáustica"
}

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "adjective form"
      },
      "expansion": "cáustica",
      "name": "head"
    }
  ],
  "hyphenation": [
    "cáus‧ti‧ca"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "form_of": [
        {
          "word": "cáustico"
        }
      ],
      "glosses": [
        "feminine singular of cáustico"
      ],
      "id": "en-cáustica-es-adj-J3RdOqcZ",
      "links": [
        [
          "cáustico",
          "cáustico#Spanish"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkaustika/"
    },
    {
      "ipa": "[ˈkau̯s.t̪i.ka]"
    },
    {
      "rhymes": "-austika"
    }
  ],
  "word": "cáustica"
}

{
  "categories": [
    "Pages with 2 entries",
    "Pages with entries",
    "Rhymes:Spanish/austika",
    "Rhymes:Spanish/austika/3 syllables",
    "Spanish 3-syllable words",
    "Spanish adjective forms",
    "Spanish countable nouns",
    "Spanish entries with incorrect language header",
    "Spanish feminine nouns",
    "Spanish lemmas",
    "Spanish non-lemma forms",
    "Spanish nouns",
    "Spanish terms with IPA pronunciation"
  ],
  "forms": [
    {
      "form": "cáusticas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "cáustica f (plural cáusticas)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "cáus‧ti‧ca"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "es:Optics"
      ],
      "glosses": [
        "caustic"
      ],
      "links": [
        [
          "optics",
          "optics"
        ],
        [
          "caustic",
          "caustic"
        ]
      ],
      "raw_glosses": [
        "(optics) caustic"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "optics",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkaustika/"
    },
    {
      "ipa": "[ˈkau̯s.t̪i.ka]"
    },
    {
      "rhymes": "-austika"
    }
  ],
  "word": "cáustica"
}

{
  "categories": [
    "Pages with 2 entries",
    "Pages with entries",
    "Rhymes:Spanish/austika",
    "Rhymes:Spanish/austika/3 syllables",
    "Spanish 3-syllable words",
    "Spanish adjective forms",
    "Spanish countable nouns",
    "Spanish entries with incorrect language header",
    "Spanish feminine nouns",
    "Spanish lemmas",
    "Spanish non-lemma forms",
    "Spanish nouns",
    "Spanish terms with IPA pronunciation"
  ],
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "adjective form"
      },
      "expansion": "cáustica",
      "name": "head"
    }
  ],
  "hyphenation": [
    "cáus‧ti‧ca"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "form_of": [
        {
          "word": "cáustico"
        }
      ],
      "glosses": [
        "feminine singular of cáustico"
      ],
      "links": [
        [
          "cáustico",
          "cáustico#Spanish"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkaustika/"
    },
    {
      "ipa": "[ˈkau̯s.t̪i.ka]"
    },
    {
      "rhymes": "-austika"
    }
  ],
  "word": "cáustica"
}