\Cy*an"ic\ (s?-?n"?k), a. [Gr. ky`anos a dark blue
substance: cf. F. cyanique. Cf. {Kyanite}.]
1. Pertaining to, or containing, cyanogen.
2. Of or pertaining to a blue color.
{Cyanic acid} (Chem.), an acid, {HOCN}, derived from
   cyanogen, well known in its salts, but never isolated in
   the free state.
{Cyanic colors} (Bot.), those colors (of flowers) having some
   tinge of blue; -- opposed to {xanthic colors}. A color of
   either series may pass into red or white, but not into the
   opposing color. Red and pure white are more common among
   flowers of cyanic tendency than in those of the other
   class.