spot test

American  

noun

1. an informal test run without elaborate preparation in order to obtain an immediate sample response.

2. Chemistry. a test for the identification of an element or compound by means of a reagent that produces a characteristic color change or precipitate.

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Etymology

Origin of spot test

First recorded in 1925–30

Example Sentences

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

And as always, do a spot test first.

From Salon • Jul. 24, 2022

A blood spot test can detect the condition at birth, allowing quicker treatment.

From BBC • Jul. 4, 2022

The newborn heel prick or blood spot test involves taking a small sample of your baby's blood for screening, usually during the first week after birth.

From BBC • Jul. 22, 2019

ALD is not routinely checked for in the UK as part of the newborn heel prick or blood spot test screening programme, but is in some other countries.

From BBC • Jul. 22, 2019