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

Wrench :: Wrench (v. t.) The system made up of a force and a couple of forces in a plane perpendicular to that force. Any number of forces acting at any points upon a rigid body may be compounded so as to be equivalent to a wrench.
Staurotide :: Stauroscope (n.) An optical instrument used in determining the position of the planes of light-vibration in sections of crystals.
Fillister :: Fillister (n.) A plane for making a rabbet.
Bit :: Bit (v.) The cutting iron of a plane.
Berylloid :: Berylloid (n.) A solid consisting of a double twelve-sided pyramid; -- so called because the planes of this form occur on crystals of beryl.
Retrograde :: Retrograde (a.) Apparently moving backward, and contrary to the succession of the signs, that is, from east to west, as a planet..
Equant :: Equant (n.) A circle around whose circumference a planet or the center of ann epicycle was conceived to move uniformly; -- called also eccentric equator.
Plano-orbicular :: Plano-orbicular (a.) Plane or flat on one side, and spherical on the other..
Vertical :: Vertical (a.) Perpendicular to the plane of the horizon; upright; plumb; as, a vertical line..
Umbra :: Umbra (n.) The conical shadow projected from a planet or satellite, on the side opposite to the sun, within which a spectator could see no portion of the sun's disk; -- used in contradistinction from penumbra. See Penumbra..
Trine :: Trine (n.) The aspect of planets distant from each other 120 degrees, or one third of the zodiac; trigon..
Jovial :: "Jovial (a.) Of or pertaining to the god, or the planet, Jupiter..
Plane :: 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..
Holohedral :: Holohedral (a.) Having all the planes required by complete symmetry, -- in opposition to hemihedral..
Planetoidal :: Planetoidal (a.) Pertaining to a planetoid.
Zone :: Zone (n.) A series of planes having mutually parallel intersections.
Syzygy :: Syzygy (n.) The point of an orbit, as of the moon or a planet, at which it is in conjunction or opposition; -- commonly used in the plural..
Slip :: Slip (n.) An inclined plane on which a vessel is built, or upon which it is hauled for repair..
Roll :: Roll (v. i.) To move, as a curved object may, along a surface by rotation without sliding; to revolve upon an axis; to turn over and over; as, a ball or wheel rolls on the earth; a body rolls on an inclined plane..
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..
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