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.