Purpureo-

Pur`pu´re`o-


1.(Chem.) A combining form signifying of a purple or purple-red color. Specif. (Chem.), used in designating certain brilliant purple-red compounds of cobaltic chloride and ammonia, similar to the roseocobaltic compounds. See Cobaltic.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.