WordReference Random House Unabridged Dictionary of American English © 2026
patch′ test′, 
  1. Medicinea 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.
  • 1930–35

Collins Concise English Dictionary © HarperCollins Publishers::
patch test n
  1. 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
'patch test' also found in these entries (note: many are not synonyms or translations):
intracutaneous test

Forum discussions with the word(s) "patch test" in the title:


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