noun Etymology: New Latin Date: circa 1775 a solid bounded by five faces • pentahedral adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Pentahedron — Pen ta*he dron, n. [Penta + Gr. e dra seat, base.] A solid figure having five sides. [1913 Webster] …   The Collaborative International Dictionary of English

  • pentahedron — [pen΄tə hē′drən] n. pl. pentahedrons or pentahedra [pen΄tə hē′drə] [ModL: see PENTA & HEDRON] a solid figure with five plane surfaces pentahedral adj …   English World dictionary

  • Pentahedron — In geometry, a pentahedron (plural: pentahedra) is a polyhedron with five faces. Since there are no face transitive polyhedra with five sides and there are two distinct topological types, this term is rarely used.With regular polygon faces, the… …   Wikipedia

  • pentahedron — pentahedral, adj. /pen teuh hee dreuhn/, n., pl. pentahedrons, pentahedra / dreuh/. a solid figure having five faces. [1655 65; PENTA + HEDRON] * * * …   Universalium

  • pentahedron — noun A solid geometric figure with five faces …   Wiktionary

  • pentahedron — pen·ta·he·dron || ‚pentÉ™ hɪːdrÉ‘n , he / drÉ‘n n. solid figure having five faces …   English contemporary dictionary

  • pentahedron — [ˌpɛntə hi:dr(ə)n, hɛd ] noun (plural pentahedra drə or pentahedrons) a solid figure with five plane faces. Derivatives pentahedral adjective …   English new terms dictionary

  • pentahedron — pen·ta·he·dron …   English syllables

  • pentahedron — pen•ta•he•dron [[t]ˌpɛn təˈhi drən[/t]] n. pl. drons, dra ( drə). math. a solid figure having five faces …   From formal English to slang

  • pentahedron — /pɛntəˈhidrən/ (say pentuh heedruhn) noun (plural pentahedrons or pentahedra /pɛntəˈhidrə/ (say pentuh heedruh)) a solid figure having five faces. –pentahedral, adjective …   Australian English dictionary

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