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

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.
Diamond :: Diamond (n.) A pointed projection, like a four-sided pyramid, used for ornament in lines or groups..
Panicle :: Panicle (n.) A pyramidal form of inflorescence, in which the cluster is loosely branched below and gradually simpler toward the end..
Subtriple :: Subtrihedral (a.) Approaching the form of a three-sided pyramid; as, the subtrihedral crown of a tooth..
Macropyramid :: Macropyramid (n.) See Macroprism.
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..
Teocalli :: Teocalli (n.) Literally, God's house; a temple, usually of pyramidal form, such as were built by the aborigines of Mexico, Yucatan, etc..
Pyramoid :: Pyramoid (n.) See Pyramidoid.
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..
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..
Pyramidally :: Pyramidally (adv.) Like a pyramid.
Macroprism :: Macroprism (n.) A prism of an orthorhombic crystal between the macropinacoid and the unit prism; the corresponding pyramids are called macropyramids.
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..
Pyramides :: Pyramides (pl. ) of Pyrami.
Spire :: Spire (n.) A tapering body that shoots up or out to a point in a conical or pyramidal form. Specifically (Arch.), the roof of a tower when of a pyramidal form and high in proportion to its width; also, the pyramidal or aspiring termination of a tower which can not be said to have a roof, such as that of Strasburg cathedral; the tapering part of a steeple, or the steeple itself..
Pyramidal :: Pyramidal (n.) One of the carpal bones. See Cuneiform, n., 2 (b)..
Dihexagonal :: Dihexagonal (a.) Consisting of two hexagonal parts united; thus, a dihexagonal pyramid is composed of two hexagonal pyramids placed base to base..
Pyramidal :: Pyramidal (a.) Of or pertaining to a pyramid; in the form of a a pyramid; pyramidical; as, pyramidal cleavage..
Pyramidion :: Pyramidion (n.) The small pyramid which crowns or completes an obelisk.
Pyramidal :: Pyramidal (a.) Same as Tetragonal.
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