COMPASS n.
fitted with a sundial to tell the hour of the day. -- Compass plane (Carp.), a plane, convex in the direction of its length on the under side, for smoothing the concave faces of curved woodwork. -- Compass plant, Compass flower (Bot.), a plant of the American prairies (Silphium laciniatum), not unlike a small sunflow…
CORROSIVE a.
Having the quality of fretting or vexing. Care is no cure, but corrosive. Shak. Corrosive sublimate (Chem.), mercuric chloride, HgCl2; so called because obtained by sublimation, and because of its harsh irritating action on the body tissue. Usually it is in the form of a heavy, transparent, crystalline substance, easil…
CROSS a.
vules of one plant by pollen from another. See Fertilization. -- Cross file, a double convex file, used in dressing out the arms or crosses of fine wheells. -- Cross fire (Mil.), lines of fire, from two or more points or places, crossing each other. -- Cross forked. (Her.) See under Forked. -- Cross frog. See under…
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…