cyanomethemoglobin /sī′ənō′met·hē′məglō″bin/ [Gk, kyanos + meta, together with, haima, blood; L, globus, ball] , product of an in vitro reaction in which hemoglobin from whole blood is reduced to methemoglobin and converted to a stable compound using potassium ferricyanide and potassium cyanide.
