"ESCA" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "ESCA (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "electron spectroscopy for chemical analysis"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Analytical chemistry",
          "orig": "en:Analytical chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of electron spectroscopy for chemical analysis."
      ],
      "id": "en-ESCA-en-noun-8gbiMV5I",
      "links": [
        [
          "electron spectroscopy",
          "electron spectroscopy#English"
        ],
        [
          "chemical",
          "chemical#English"
        ],
        [
          "analysis",
          "analysis#English"
        ]
      ],
      "synonyms": [
        {
          "word": "XPS"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable"
      ]
    }
  ],
  "word": "ESCA"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "ESCA (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "electron spectroscopy for chemical analysis"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English initialisms",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "en:Analytical chemistry"
      ],
      "glosses": [
        "Initialism of electron spectroscopy for chemical analysis."
      ],
      "links": [
        [
          "electron spectroscopy",
          "electron spectroscopy#English"
        ],
        [
          "chemical",
          "chemical#English"
        ],
        [
          "analysis",
          "analysis#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "XPS"
    }
  ],
  "word": "ESCA"
}