"spike addition" meaning in English

{
  "abbreviations": [
    {
      "word": "SA"
    }
  ],
  "forms": [
    {
      "form": "spike additions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "spike addition (countable and uncountable, plural spike additions)",
      "name": "en-noun"
    }
  ],
  "hyphenation": [
    "spike"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2002, D. T. Burns, K. Danyer, A. Townshend; Use of the terms “recovery” and “apparent recovery” in analytical procedures, Pure Appl. Chem., Vol. 74, No. 11, p. 2201–2205",
          "text": "[…] single spike addition experiment does not indicate the absence of systematic error […]"
        }
      ],
      "glosses": [
        "A calibration technique for quantification that involves adding known amounts of a substance to an aliquot of an analyte."
      ],
      "id": "en-spike_addition-en-noun-Rrp7iRnw",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "calibration",
          "calibration"
        ],
        [
          "technique",
          "technique"
        ],
        [
          "quantification",
          "quantification"
        ],
        [
          "substance",
          "substance"
        ],
        [
          "aliquot",
          "aliquot"
        ],
        [
          "analyte",
          "analyte"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A calibration technique for quantification that involves adding known amounts of a substance to an aliquot of an analyte."
      ],
      "synonyms": [
        {
          "topics": [
            "chemistry",
            "physical-sciences",
            "natural-sciences"
          ],
          "word": "spike method"
        },
        {
          "topics": [
            "chemistry",
            "physical-sciences",
            "natural-sciences"
          ],
          "word": "spike procedure"
        },
        {
          "topics": [
            "chemistry",
            "physical-sciences",
            "natural-sciences"
          ],
          "word": "spiking"
        },
        {
          "topics": [
            "chemistry",
            "physical-sciences",
            "natural-sciences"
          ],
          "word": "standard addition"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "technique in analytical chemistry",
          "word": "Standaardadditie"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "technique in analytical chemistry",
          "tags": [
            "feminine"
          ],
          "word": "Standard-Addition"
        },
        {
          "code": "he",
          "lang": "Hebrew",
          "sense": "technique in analytical chemistry",
          "word": "הוספה סטנדרטית"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "technique in analytical chemistry",
          "tags": [
            "feminine"
          ],
          "word": "adição-padrão"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/spʌɪk əˈdɪʃ(ə)n/",
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "spike addition"
}

{
  "abbreviations": [
    {
      "word": "SA"
    }
  ],
  "forms": [
    {
      "form": "spike additions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "spike addition (countable and uncountable, plural spike additions)",
      "name": "en-noun"
    }
  ],
  "hyphenation": [
    "spike"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with IPA pronunciation",
        "English uncountable nouns",
        "en:Chemistry"
      ],
      "examples": [
        {
          "ref": "2002, D. T. Burns, K. Danyer, A. Townshend; Use of the terms “recovery” and “apparent recovery” in analytical procedures, Pure Appl. Chem., Vol. 74, No. 11, p. 2201–2205",
          "text": "[…] single spike addition experiment does not indicate the absence of systematic error […]"
        }
      ],
      "glosses": [
        "A calibration technique for quantification that involves adding known amounts of a substance to an aliquot of an analyte."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "calibration",
          "calibration"
        ],
        [
          "technique",
          "technique"
        ],
        [
          "quantification",
          "quantification"
        ],
        [
          "substance",
          "substance"
        ],
        [
          "aliquot",
          "aliquot"
        ],
        [
          "analyte",
          "analyte"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A calibration technique for quantification that involves adding known amounts of a substance to an aliquot of an analyte."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/spʌɪk əˈdɪʃ(ə)n/",
      "tags": [
        "UK"
      ]
    }
  ],
  "synonyms": [
    {
      "topics": [
        "chemistry",
        "physical-sciences",
        "natural-sciences"
      ],
      "word": "spike method"
    },
    {
      "topics": [
        "chemistry",
        "physical-sciences",
        "natural-sciences"
      ],
      "word": "spike procedure"
    },
    {
      "topics": [
        "chemistry",
        "physical-sciences",
        "natural-sciences"
      ],
      "word": "spiking"
    },
    {
      "topics": [
        "chemistry",
        "physical-sciences",
        "natural-sciences"
      ],
      "word": "standard addition"
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "technique in analytical chemistry",
      "word": "Standaardadditie"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "technique in analytical chemistry",
      "tags": [
        "feminine"
      ],
      "word": "Standard-Addition"
    },
    {
      "code": "he",
      "lang": "Hebrew",
      "sense": "technique in analytical chemistry",
      "word": "הוספה סטנדרטית"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "technique in analytical chemistry",
      "tags": [
        "feminine"
      ],
      "word": "adição-padrão"
    }
  ],
  "word": "spike addition"
}