Definition of pyramid

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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..

Lern More About Pyramid

Pyramidic :: Pyramidic (a.) Alt. of Pyramidica.
Rosehead :: Rosehead (n.) A many-sided pyramidal head upon a nail; also a nail with such a head.
Pyramidally :: Pyramidally (adv.) Like a pyramid.
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..
Pyramoid :: Pyramoid (n.) See Pyramidoid.
Bushhammer :: Bushhammer (n.) A hammer with a head formed of a bundle of square bars, with pyramidal points, arranged in rows, or a solid head with a face cut into a number of rows of such points; -- used for dressing stone..
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..
Pylon :: Pylon (n.) A low tower, having a truncated pyramidal form, and flanking an ancient Egyptian gateway..
Altitude :: Altitude (n.) The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc..
Subtriple :: Subtrihedral (a.) Approaching the form of a three-sided pyramid; as, the subtrihedral crown of a tooth..
Obelisk :: Obelisk (n.) An upright, four-sided pillar, gradually tapering as it rises, and terminating in a pyramid called pyramidion. It is ordinarily monolithic. Egyptian obelisks are commonly covered with hieroglyphic writing from top to bottom..
Teocalli :: Teocalli (n.) Literally, God's house; a temple, usually of pyramidal form, such as were built by the aborigines of Mexico, Yucatan, etc..
Scalenohedron :: Scalenohedron (n.) A pyramidal form under the rhombohedral system, inclosed by twelve faces, each a scalene triangle..
Frustum :: Frustum (n.) The part of a solid next the base, formed by cutting off the, top; or the part of any solid, as of a cone, pyramid, etc., between two planes, which may be either parallel or inclined to each other..
Homopolic :: Homopolic (a.) In promorphology, pertaining to or exhibiting that kind of organic form, in which the stereometric ground form is a pyramid, with similar poles. See Promorphology..
Macroprism :: Macroprism (n.) A prism of an orthorhombic crystal between the macropinacoid and the unit prism; the corresponding pyramids are called macropyramids.
Pyramidal :: Pyramidal (n.) One of the carpal bones. See Cuneiform, n., 2 (b)..
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.
Pyramides :: Pyramides (pl. ) of Pyrami.
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