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# Polyhedron

[pol-ee-hee-druh n] /ˌpɒl iˈhi drən/

noun, plural polyhedrons, polyhedra
[pol-ee-hee-druh] /ˌpɒl iˈhi drə/ (Show IPA)
1.
a solid figure having many faces.
/ˌpɒlɪˈhiːdrən/
noun (pl) -drons, -dra (-drə)
1.
a solid figure consisting of four or more plane faces (all polygons), pairs of which meet along an edge, three or more edges meeting at a vertex. In a regular polyhedron all the faces are identical regular polygons making equal angles with each other. Specific polyhedrons are named according to the number of faces, such as tetrahedron, icosahedron, etc
n.

1560s, from Latinized form of Greek polyedron, neuter of adjective polyedros “having many bases or sides,” from polys “many” (see poly-) + hedra “seat, base, chair, face of a geometric solid,” from PIE root *sed- (1) “to sit” (see sedentary).
polyhedron
(pŏl’ē-hē’drən)
Plural polyhedrons or polyhedra
A three-dimensional geometric figure whose sides are polygons. A tetrahedron, for example, is a polyhedron having four triangular sides. ◇ A regular polyhedron is a polyhedron whose faces are all congruent regular polygons. The regular tetrahedron (pyramid), hexahedron (cube), octahedron, dodecahedron, and icosahedron are the five regular polyhedrons. Regular polyhedrons are a type of Archimedean solid.

Tagged:

• Polyhedrosis

[pol-ee-hee-droh-sis] /ˌpɒl i hiˈdroʊ sɪs/ noun, plural polyhedroses [pol-ee-hee-droh-seez] /ˌpɒl i hiˈdroʊ siz/ (Show IPA) 1. an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.

• Polyhidrosis

polyhidrosis pol·y·hi·dro·sis (pŏl’ē-hī-drō’sĭs, -hĭ-) or pol·y·i·dro·sis (pŏl’ē-ĭ-) n. See hyperhidrosis.

• Polyclone

polyclone pol·y·clone (pŏl’ē-klōn’) n. A clone descended from one or more small groups of cells, especially ones of genetically different origins. pol’y·clo’nal adj. pol’y·clo’nal·ly adv.

• Polyclonal-antibody

noun 1. a mixture of antibodies of different specificities, as in the serum of a person immunized to various antigens.

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