Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of pyramid is as below...

Cuniform :: Cuniform (n.) One of the carpal bones usually articulating with the ulna; -- called also pyramidal and ulnare.

Rosehead :: Rosehead (n.) A many-sided pyramidal head upon a nail; also a nail with such a head.

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..

Pyramidal :: Pyramidal (a.) Same as Tetragonal.

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..

Macropyramid :: Macropyramid (n.) See Macroprism.

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..

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..

Pyramis :: Pyramis (n.) 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..

Taper :: Taper (a.) Regularly narrowed toward the point; becoming small toward one end; conical; pyramidical; as, taper fingers..

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..

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..

Liroconite :: Liroconite (n.) A hydrated arseniate of copper, occurring in obtuse pyramidal crystals of a sky-blue or verdigris-green color..

Date :: Date (v. t.) To note or fix the time of, as of an event; to give the date of; as, to date the building of the pyramids..

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..

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.

Macroprism :: Macroprism (n.) A prism of an orthorhombic crystal between the macropinacoid and the unit prism; the corresponding pyramids are called macropyramids.

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..

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