a test for a suspected allergy in which the skin is scratched and an allergen applied to the area, redness indicating a positive reaction.
Itch vs. Scratch: What’s The Difference?Okay, this one might make you feel a little itchy. An itch is a skin irritation that causes the desire to scratch. Scratch describes the action used to relieve an itch. The grammatically correct construction is “to scratch an itch.” People often use itch and scratch in place of each other in everyday speech. For example, you may hear people saying they need to “itch …
test-iframeRead more in this article about some frequently asked questions and fun facts related to our definitions.
- scratch line,
- scratch one's head,
- scratch pad,
- scratch sheet,
- scratch someone's back,
- scratch the surface,
- scratch together,
- scratch video,
- scratch wig,
Origin of scratch test
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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
A test for allergy performed by scratching the skin and applying an allergen to the wound.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.