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- piramis (obsolete)
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pyramid (plural pyramids)
- An ancient massive construction with a square or rectangular base and four triangular sides meeting in an apex, such as those built as tombs in Egypt or as bases for temples in Mesoamerica.
- A construction in the shape of a pyramid, usually with a square or rectangular base.
- (geometry) A solid with triangular lateral faces and a polygonal (often square or rectangular) base.
- A pyramid scheme.
- For usage examples of this term, see the citations page.
in geometry, a solid with triangular lateral faces and a polygonal base
pyramid scheme — see pyramid scheme
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Declension of pyramid