n. a solid figure with seven faces.
heptahedral adj.
Etymology: HEPTA- + -HEDRON after POLYHEDRON

Useful english dictionary. 2012.

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  • Heptahedron — Hep ta*he dron, n. [Hepta + Gr. ? seat, base, fr. ? to sit: cf. F. hepta[ e]dre.] (Geom.) A solid figure with seven sides. [1913 Webster] …   The Collaborative International Dictionary of English

  • heptahedron — [hep΄tə hē′drən] n. pl. heptahedrons or heptahedra [hep΄tə hē′drə] [ModL: see HEPTA & HEDRON] a solid figure with seven plane surfaces heptahedral adj …   English World dictionary

  • Heptahedron — A heptahedron (plural: heptahedra) is a polyhedron having seven sides, or faces.A heptahedron can take a surprising number of different basic forms, or topologies. Probably most familiar are the hexagonal pyramid and the pentagonal prism. Also… …   Wikipedia

  • heptahedron — heptahedral, heptahedrical, adj. /hep teuh hee dreuhn/, n., pl. heptahedrons, heptahedra / dreuh/. a solid figure having seven faces. [1650 60; HEPTA + HEDRON] * * * …   Universalium

  • heptahedron — noun any polyhedron having seven faces …   Wiktionary

  • heptahedron —    A polyhedron having seven polygonal faces. The plural can be either heptahedrons or heptahedra. Also see mathematics and vertex …   Glossary of Art Terms

  • heptahedron — [ˌhɛptə hi:drən, hɛd ] noun (plural heptahedra or heptahedrons) a solid figure with seven plane faces. Derivatives heptahedral adjective …   English new terms dictionary

  • heptahedron — /hɛptəˈhidrən/ (say heptuh heedruhn) noun (plural heptahedrons or heptahedra /hɛptəˈhidrə/ (say heptuh heedruh)) a solid figure having seven faces. –heptahedral, adjective …  

  • heptahedron —   n. seven sided solid figure.    ♦ heptahedral, a …   Dictionary of difficult words

  • Polyhedron — Polyhedra redirects here. For the relational database system, see Polyhedra DBMS. For the game magazine, see Polyhedron (magazine). For the scientific journal, see Polyhedron (journal). Some Polyhedra Dodecahedron (Regular polyhedron) …   Wikipedia

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