spot test

noun

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.

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Meanings

nounspot test (plural spot tests)

plural spot tests

  1. chemistryThe 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.

    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.

    1998, Michael R Bromwich, The FBI Laboratory: An Investigation into Laboratory Practices & Alleged Misconduct
Cite this entry
APA

spot test. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/spot%20test

MLA

“spot test.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/spot%20test. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “spot test,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/spot%20test.

Source: spot test on Wiktionary, CC BY-SA 4.0.