1. (Med.)
Defn: Of or pertaining to purpura. Dunglison.
2. (Chem.)
Defn: Pertaining to or designating, a nitrogenous acid contained in uric acid. It is not known in the pure state, but forms well-known purple-red compounds (as murexide), whence its name.
Note: Purpuric acid was formerly used to designate murexan. See
Murexan.
PURPURIN
Pur"pu*rin, n. (Chem.)
Defn: A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.
PURPURIPAROUS
Pur`pu*rip"a*rous, a. Etym: [L. purpura purple + parere to produce.]
(Biol.)
Defn: Producing, or connected with, a purple-colored secretion; as, the purpuriparous gland of certain gastropods.
PURPUROGENOUS
Pur`pu*rog"e*nous, a. Etym: [L. purpura purple + -genous.] (Biol.)