In geometry terms the difference between pyramid and octahedron
is that pyramid is a solid with triangular lateral faces and a polygonal (often square or rectangular) base while octahedron is a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.
As nouns the difference between pyramid and octahedron
is that pyramid is 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 while octahedron is a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.
As a verb pyramid
is to combine (a series of genes) into a single genotype.
pyramid
Alternative forms
* piramis (obsolete)
Noun
(
en noun)
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.
* '>citation
(geometry) A solid with triangular lateral faces and a polygonal (often square or rectangular) base.
(UK, dated) The game of pool in which the balls are placed in the form of a triangle at spot.
A pyramid scheme.
* (
English Citations of "pyramid")
Derived terms
* pyramidal
* pyramidism
* pyramidize
* pyramidologist
* pyramidology
* pyramid scheme
See also
* Ponzi scheme
Verb
(
en verb)
(genetics) To combine (a series of genes) into a single genotype.
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octahedron
English
Noun
(en-noun)
(geometry) a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.
