Urechitoxin

U`re*chi*tox"in

(?), n. [Urechitin + toxic + -in.] (Chem.) A poisonous glucoside found accompanying urechitin, and extracted as a bitter white crystalline substance.
[1913 Webster]

U*re"do

(?), n. [L., a blast, blight, a burning itch, fr. urere to burn, to scorch.]
[1913 Webster]

1. (Bot.) 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.
[1913 Webster]

2. (Med.) Nettle rash. See Urticaria.
[1913 Webster]

 

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Fri 24th October 2014