scratch test


: a test for allergic susceptibility made by rubbing an extract of an allergen into small breaks or scratches in the skin

Example Sentences

Recent Examples on the Web Living cambium is what the scratch test looks for. Miri Talabac, Baltimore Sun, 30 Mar. 2022 The suitcase aced our drop tests for durability, but the polycarbonate did show some marks in our scratch test — but that's a small tradeoff for an overall great quality hardside suitcase at a great price. Amanda Constantine, Good Housekeeping, 20 May 2022 Here’s a breakdown of our point systems: Durability had a maximum of 25 points: scratch test (10 points), handle temperature (5 points), appearance after cleaning (5 points) and maximum oven temperature (5 points). Kate Bratskeir, CNN Underscored, 23 June 2020 These pointy metal tools that are calibrated to the Mohs scale of mineral hardness allow a user to determine the hardness of a surface by doing a scratch test. Ron Amadeo, Ars Technica, 17 Feb. 2020 Make sure your tree has adequate water and then do the scratch test along the outer shoots to find green within the stems. Tom Maccubbin,, 21 Apr. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'scratch test.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of scratch test was in 1937

Dictionary Entries Near scratch test

Cite this Entry

“Scratch test.” Dictionary, Merriam-Webster, Accessed 30 May. 2023.

Kids Definition

scratch test

: a test that is used to determine if a person is allergic to a substance and is made by rubbing some of that substance into small scratches on the skin

Medical Definition

scratch test

: a test for allergic susceptibility made by rubbing an extract of an allergy-producing substance into small breaks or scratches in the skin compare intradermal test, patch test, prick test
Last Updated: - Updated example sentences
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