"spot test" meaning in English

{
  "forms": [
    {
      "form": "spot tests",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "spot test (plural spot tests)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
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            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1998, Michael R Bromwich, The FBI Laboratory: An Investigation into Laboratory Practices & Alleged Misconduct:",
          "text": "The DPA test referred to by Martz is a color spot test for a range of oxidizing compounds, which include but are not limited to nitrates.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The addition of a single drop of a reagent to a small sample as a qualitative analytical test for the presence of a specific compound or class of compounds."
      ],
      "id": "en-spot_test-en-noun-BTgn7a5t",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "addition",
          "addition"
        ],
        [
          "reagent",
          "reagent"
        ],
        [
          "sample",
          "sample"
        ],
        [
          "qualitative",
          "qualitative"
        ],
        [
          "analytical",
          "analytical"
        ],
        [
          "compound",
          "compound"
        ],
        [
          "class",
          "class"
        ]
      ],
      "raw_glosses": [
        "(chemistry) The addition of a single drop of a reagent to a small sample as a qualitative analytical test for the presence of a specific compound or class of compounds."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "spot test"
}

{
  "forms": [
    {
      "form": "spot tests",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spot test (plural spot tests)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "en:Chemistry"
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      "examples": [
        {
          "ref": "1998, Michael R Bromwich, The FBI Laboratory: An Investigation into Laboratory Practices & Alleged Misconduct:",
          "text": "The DPA test referred to by Martz is a color spot test for a range of oxidizing compounds, which include but are not limited to nitrates.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The addition of a single drop of a reagent to a small sample as a qualitative analytical test for the presence of a specific compound or class of compounds."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "addition",
          "addition"
        ],
        [
          "reagent",
          "reagent"
        ],
        [
          "sample",
          "sample"
        ],
        [
          "qualitative",
          "qualitative"
        ],
        [
          "analytical",
          "analytical"
        ],
        [
          "compound",
          "compound"
        ],
        [
          "class",
          "class"
        ]
      ],
      "raw_glosses": [
        "(chemistry) The addition of a single drop of a reagent to a small sample as a qualitative analytical test for the presence of a specific compound or class of compounds."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "spot test"
}