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scratch test

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noun
a test for a suspected allergy in which the skin is scratched and an allergen applied to the area, redness indicating a positive reaction.
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Origin of scratch test

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use scratch test in a sentence

British Dictionary definitions for scratch test

scratch test

noun
med a skin test to determine allergic sensitivity to various substances by placing the allergen to be tested over an area of lightly scratched skin. A positive reaction is typically indicated by the formation of a weal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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