spot test
Americannoun
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an informal test run without elaborate preparation in order to obtain an immediate sample response.
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Chemistry. a test for the identification of an element or compound by means of a reagent that produces a characteristic color change or precipitate.
Etymology
Origin of spot test
First recorded in 1925–30
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
SMA UK wants the disease to be added to a blood spot test that already checks newborn babies for 10 rare, but serious conditions.
From BBC • Jan. 6, 2026
SMA UK wants the disease to be added to a blood spot test that already checks newborn babies for 10 rare but serious conditions.
From BBC • Jan. 4, 2026
And as always, do a spot test first.
From Salon • Jul. 24, 2022
She is urging the Irish government to introduce the blood spot test at birth so that children with the rare condition can be treated quickly.
From BBC • Jul. 4, 2022
A blood spot test can detect the condition at birth, allowing quicker treatment.
From BBC • Jul. 4, 2022
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
