Definition of plane

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Plane (a.) A surface, real or imaginary, in which, if any two points are taken, the straight line which joins them lies wholly in that surface; or a surface, any section of which by a like surface is a straight line; a surface without curvature..

Lern More About Plane

Direct :: Direct (a.) In the direction of the general planetary motion, or from west to east; in the order of the signs; not retrograde; -- said of the motion of a celestial body..
Banding Plane :: Banding plane () A plane used for cutting out grooves and inlaying strings and bands in straight and circular work.
Quindecagon :: Quindecagon (n.) A plane figure with fifteen angles, and consequently fifteen sides..
Project :: Project (v. t.) To draw or exhibit, as the form of anything; to delineate; as, to project a sphere, a map, an ellipse, and the like; -- sometimes with on, upon, into, etc.; as, to project a line or point upon a plane. See Projection, 4..
Plano-orbicular :: Plano-orbicular (a.) Plane or flat on one side, and spherical on the other..
Spherics :: Spherics (n.) The doctrine of the sphere; the science of the properties and relations of the circles, figures, and other magnitudes of a sphere, produced by planes intersecting it; spherical geometry and trigonometry..
Gyroscope :: Gyroscope (n.) A form of the above apparatus, invented by M. Foucault, mounted so delicately as to render visible the rotation of the earth, through the tendency of the rotating wheel to preserve a constant plane of rotation, independently of the earth's motion..
Zone :: Zone (n.) The portion of the surface of a sphere included between two parallel planes; the portion of a surface of revolution included between two planes perpendicular to the axis.
Trapezium :: Trapezium (n.) A plane figure bounded by four right lines, of which no two are parallel..
Shoot :: Shoot (n.) An inclined plane, either artificial or natural, down which timber, coal, etc., are caused to slide; also, a narrow passage, either natural or artificial, in a stream, where the water rushes rapidly; esp., a channel, having a swift current, connecting the ends of a bend in the stream, so as to shorten the course..
Jovial :: "Jovial (a.) Of or pertaining to the god, or the planet, Jupiter..
Slope :: Slope (v. i.) Any ground whose surface forms an angle with the plane of the horizon.
Analemma :: Analemma (n.) An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon..
Primary :: Primary (a.) First in dignity or importance; chief; principal; as, primary planets; a matter of primary importance..
Gneiss :: Gneiss (n.) A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and it is then called hornblendic / syenitic gneiss. Similar varieties of related rocks are also called gneiss..
Trace :: Trace (v. t.) The intersection of a plane of projection, or an original plane, with a coordinate plane..
Hyperbola :: Hyperbola (n.) A curve formed by a section of a cone, when the cutting plane makes a greater angle with the base than the side of the cone makes. It is a plane curve such that the difference of the distances from any point of it to two fixed points, called foci, is equal to a given distance. See Focus. If the cutting plane be produced so as to cut the opposite cone, another curve will be formed, which is also an hyperbola. Both curves are regarded as branches of the same hyperbola. See Illust. o
Foreshorten :: Foreshorten (v. t.) To represent on a plane surface, as if extended in a direction toward the spectator or nearly so; to shorten by drawing in perspective..
Truncation :: Truncation (n.) The replacement of an edge or solid angle by a plane, especially when the plane is equally inclined to the adjoining faces..
Polyhedron :: Polyhedron (n.) A body or solid contained by many sides or planes.
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