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View synonyms for patch test

patch test

noun

  1. Medicine/Medical. a test for suspected allergy by application to the skin of a patch impregnated with an allergen: allergic reaction is indicated by redness at the site of application.


patch test

noun

  1. med a test to detect an allergic reaction by applying small amounts of a suspected substance to the skin and then examining the area for signs of irritation
“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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Word History and Origins

Origin of patch test1

First recorded in 1930–35
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Example Sentences

Gemma had coronavirus and recovered but when she went for a patch test with the same hair dye she'd been using for years she suffered a reaction.

From BBC

Gemma suffered a reaction to a patch test despite using the same hair dye for years.

From BBC

If you have sensitive skin, patch test ingredients by applying a small amount to your forearm.

If he had done a patch test with a few tiles and let me see the dried version first, we wouldn’t have wasted days scraping out the first color and re-grouting the entire floor.

If you do have a reaction, you may find it worth the cost to get a quick patch test for PPD sensitivity at your doctor’s office.

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