CURTAIL DOG n.
rmerly, the dog of a person not qualified to course, which, by the forest laws, must have its tail cut short, partly as a mark, and partly from a notion that the tail is necessary to a dog in running; hence, a dog not fit for sporting. Hope is a curtail dog in some affairs. Shak.
CURVE n. 5 definitions
etermining the shape, location, singular points, and other perculiarities of a curve from its equation. -- Plane curve (Geom.), a curve such that when a plane passes through three points of the curve, it passes through all the other points of the curve. Any other curve is called a curve of double curvature, or a twist…
CYANIC a. 2 definitions
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 op…
CYANOGEN n.
A colorless, inflammable, poisonous gas, C2N2, with a peach- blossom odor, so called from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon a…
CYLINDRIC; CYLINDRICAL a.
Having the form of a cylinder, or of a section of its convex surface; partaking of the properties of the cylinder. Cylindrical lens, a lens having one, or more than one, cylindrical surface. -- Cylindric, or Cylindrical, surface (Geom.), a surface described by a straight line that moves according to any law, but so as…