Roseo-


Also found in: Medical.

Ro´se`o-


1.(Chem.) A prefix (also used adjectively) signifying rose-red; specifically used to designate certain rose-red compounds (called roseo-cobaltic compounds) of cobalt with ammonia. Cf. Luteo-.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.