Definition of plane

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Plane (a.) An ideal surface, conceived as coinciding with, or containing, some designated astronomical line, circle, or other curve; as, the plane of an orbit; the plane of the ecliptic, or of the equator..

Lern More About Plane

Planetule :: Planetule (n.) A little planet.
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..
Bind :: Bind (v. t.) To confine, restrain, or hold by physical force or influence of any kind; as, attraction binds the planets to the sun; frost binds the earth, or the streams..
Zone :: Zone (n.) A series of planes having mutually parallel intersections.
Plano-conical :: Plano-conical (a.) Plane or flat on one side, and conical on the other..
Synodically :: Synodical (a.) Pertaining to conjunction, especially to the period between two successive conjunctions; extending from one conjunction, as of the moon or a planet with the sun, to the next; as, a synodical month (see Lunar month, under Month); the synodical revolution of the moon or a planet..
Cycloid :: Cycloid (n.) A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane..
Diameter :: Diameter (n.) A diametral plane.
Saturnian :: Saturnian (a.) Of or pertaining to the planet Saturn; as, the Saturnian year..
Planetarium :: Planetarium (n.) An orrery. See Orrery.
Elevation :: Elevation (n.) The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line o/ sight; -- distinguished from direction..
Plane :: Plane (a.) Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface..
Lucifer :: Lucifer (n.) The planet Venus, when appearing as the morning star; -- applied in Isaiah by a metaphor to a king of Babylon..
Three-sided :: Three-sided (a.) Having three sides, especially three plane sides; as, a three-sided stem, leaf, petiole, peduncle, scape, or pericarp..
Equator :: Equator (n.) The great circle of the celestial sphere, coincident with the plane of the earth's equator; -- so called because when the sun is in it, the days and nights are of equal length; hence called also the equinoctial, and on maps, globes, etc., the equinoctial line..
Perturbation :: Perturbation (n.) A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other..
Trapezoid :: Trapezoid (n.) A plane four-sided figure, having two sides parallel to each other..
Antecedence :: Antecedence (n.) An apparent motion of a planet toward the west; retrogradation.
Planeted :: Planeted (a.) Belonging to planets.
Primary :: Primary (n.) A primary planet; the brighter component of a double star. See under Planet.
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