uredo

U*re"do, n. Etym: [L., a blast, blight, a burning itch, fr. urere to burn, to scorch.] 1. (Bot.) Defn: One of the stages in the life history of certain rusts (Uredinales), regarded at one time as a distinct genus. It is a summer stage preceding the teleutospore, or winter stage. See Uredinales, in the Supplement. 2. (Med.) Defn: Nettle rash. See Urticaria.

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