Definition of plane

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Plane (a.) A block or plate having a perfectly flat surface, used as a standard of flatness; a surface plate..

Lern More About Plane

Pinacoid :: Pinacoid (n.) A plane parallel to two of the crystalline axes.
Horizon :: Horizon (n.) A plane parallel to the sensible horizon of a place, and passing through the earth's center; -- called also rational / celestial horizon..
Plane :: Plane (a.) Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface..
Buttonwood :: Buttonwood (n.) The Platanus occidentalis, or American plane tree, a large tree, producing rough balls, from which it is named; -- called also buttonball tree, and, in some parts of the United States, sycamore. The California buttonwood is P. racemosa..
Superpraise :: Superposition (n.) The act of superposing, or the state of being superposed; as, the superposition of rocks; the superposition of one plane figure on another, in geometry..
Disaster :: Disaster (n.) An unpropitious or baleful aspect of a planet or star; malevolent influence of a heavenly body; hence, an ill portent..
Subpleural :: Subpetiolar (a.) Concealed within the base of the petiole, as the leaf buds of the plane tree..
Sphere :: Sphere (n.) Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth..
Shears :: Shears (n.) The bedpiece of a machine tool, upon which a table or slide rest is secured; as, the shears of a lathe or planer. See Illust. under Lathe..
Vortex :: Vortex (n.) A supposed collection of particles of very subtile matter, endowed with a rapid rotary motion around an axis which was also the axis of a sun or a planet. Descartes attempted to account for the formation of the universe, and the movements of the bodies composing it, by a theory of vortices..
Nonplane :: Nonplane (a.) Not lying in one plane; -- said of certain curves.
Edgeshot :: Edgeshot (a.) Having an edge planed, -- said of a board..
Octant :: Octant (n.) The position or aspect of a heavenly body, as the moon or a planet, when half way between conjunction, or opposition, and quadrature, or distant from another body 45 degrees..
Absolute :: Absolute (n.) In a plane, the two imaginary circular points at infinity; in space of three dimensions, the imaginary circle at infinity..
Grade :: Grade (n.) The rate of ascent or descent; gradient; deviation from a level surface to an inclined plane; -- usually stated as so many feet per mile, or as one foot rise or fall in so many of horizontal distance; as, a heavy grade; a grade of twenty feet per mile, or of 1 in 264..
Bevelment :: Bevelment (n.) The replacement of an edge by two similar planes, equally inclined to the including faces or adjacent planes..
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..
Trajectory :: Trajectory (n.) The curve which a body describes in space, as a planet or comet in its orbit, or stone thrown upward obliquely in the air..
Fissile :: Fissile (a.) Capable of being split, cleft, or divided in the direction of the grain, like wood, or along natural planes of cleavage, like crystals..
Coplaner :: Coplaner (a.) Situated in one plane.
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