Definition of pyramid

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Pyramid (n.) A solid figure contained by a plane rectilineal figure as base and several triangles which have a common vertex and whose bases are sides of the base.

Lern More About Pyramid

Zirconoid :: Zirconoid (n.) A double eight-sided pyramid, a form common with tetragonal crystals; -- so called because this form often occurs in crystals of zircon..
Liroconite :: Liroconite (n.) A hydrated arseniate of copper, occurring in obtuse pyramidal crystals of a sky-blue or verdigris-green color..
Pyramidal :: Pyramidal (a.) Same as Tetragonal.
Pyramidia :: Pyramidia (pl. ) of Pyramidio.
Dihexagonal :: Dihexagonal (a.) Consisting of two hexagonal parts united; thus, a dihexagonal pyramid is composed of two hexagonal pyramids placed base to base..
Trou-de-loup :: Trou-de-loup (n.) A pit in the form of an inverted cone or pyramid, constructed as an obstacle to the approach of an enemy, and having a pointed stake in the middle. The pits are called also trapholes..
Pyramidion :: Pyramidion (n.) The small pyramid which crowns or completes an obelisk.
Corona :: Corona (n.) A crown or circlet suspended from the roof or vaulting of churches, to hold tapers lighted on solemn occasions. It is sometimes formed of double or triple circlets, arranged pyramidically. Called also corona lucis..
Quartzoid :: Quartzoid (n.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base..
Pylon :: Pylon (n.) A low tower, having a truncated pyramidal form, and flanking an ancient Egyptian gateway..
Teocalli :: Teocalli (n.) Literally, God's house; a temple, usually of pyramidal form, such as were built by the aborigines of Mexico, Yucatan, etc..
Bipyramidal :: Bipyramidal (a.) Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals..
Pyramid :: Pyramid (n.) A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape..
Pyramid :: Pyramid (n.) The game of pool in which the balls are placed in the form of a triangle at spot.
Pyramidal :: Pyramidal (n.) One of the carpal bones. See Cuneiform, n., 2 (b)..
Pyramidally :: Pyramidally (adv.) Like a pyramid.
Pyramidoid :: Pyramidoid (n.) A solid resembling a pyramid; -- called also pyramoid.
Pyramidical :: Pyramidical (a.) Of or pertaining to a pyramid; having the form of a pyramid; pyramidal.
Macropyramid :: Macropyramid (n.) See Macroprism.
Sphenoid :: Sphenoid (n.) A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid.
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