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

Mesially :: Mesially (adv.) In, near, or toward, the mesial plane; mesiad..
Planetical :: Planetical (a.) Of or pertaining to planets.
Gunter''s Quadrant :: Gunter's quadrant () A thin quadrant, made of brass, wood, etc., showing a stereographic projection on the plane of the equator. By it are found the hour of the day, the sun's azimuth, the altitude of objects in degrees, etc. See Gunter's scale..
Antiparallels :: Antiparallels (n. pl.) Straight lines or planes which make angles in some respect opposite in character to those made by parallel lines or planes.
Snipebill :: Snipebill (n.) A plane for cutting deep grooves in moldings.
Rotatory :: Rotatory (a.) Producing rotation of the plane of polarization; as, the rotatory power of bodies on light. See the Note under polarization..
Cullet :: Cullet (n.) A small central plane in the back of a cut gem. See Collet, 3 (b)..
Calipers :: Calipers (n. pl.) An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts, shot, etc.; or the bore of firearms, tubes, etc.; -- called also caliper compasses, or caliber compasses..
Egress :: Egress (n.) The passing off from the sun's disk of an inferior planet, in a transit..
Belt :: Belt (n.) One of certain girdles or zones on the surface of the planets Jupiter and Saturn, supposed to be of the nature of clouds..
Asteroid :: Asteroid (n.) A starlike body; esp. one of the numerous small planets whose orbits lie between those of Mars and Jupiter; -- called also planetoids and minor planets.
Plain :: Plain (v.) To plane or level; to make plain or even on the surface.
Interplanetary :: Interplanetary (a.) Between planets; as, interplanetary spaces..
Planer Tree :: Planer tree () A small-leaved North American tree (Planera aquatica) related to the elm, but having a wingless, nutlike fruit..
Inferior :: Inferior (a.) Nearer the sun than the earth is; as, the inferior or interior planets; an inferior conjunction of Mercury or Venus..
Ortive :: Ortive (a.) Of or relating to the time or act of rising; eastern; as, the ortive amplitude of a planet..
Tetartohedral :: Tetartohedral (a.) Having one fourth the number of planes which are requisite to complete symmetry.
Planish :: Planish (v.) To make smooth or plane, as a metallic surface; to condense, toughen, and polish by light blows with a hammer..
Planometry :: Planometry (n.) The art or process of producing or gauging a plane surface.
Trioctile :: Trioctile (n.) An aspect of two planets with regard to the earth when they are three octants, or three eighths of a circle, that is, 135 degrees, distant from each other..
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