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English definition of “rash”

rash

noun [C or U] (SKIN CONDITION)    /ræʃ/
C2 a lot of small red spots on the skin: I've got an itchy rash all over my chest. He came out/up in a rash after he fell in a patch of nettles. If you stay in the sun too long you'll get (a) heat rash.Skin complaints and blemishes
(Definition of rash noun (SKIN CONDITION) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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