pentahedron

P3E1N1T1A1H4E1D2R1O1N1
/ˌpɛntaˈhiːdɹən/

noun

A polyhedron with five faces.

Scrabble 17
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Meanings

nounpentahedron (plural pentahedra or pentahedrons)

plural pentahedra · plural pentahedrons

  1. geometryA polyhedron with five faces.

    Their tent was too small for them to stand, a long but low pentahedron, in shape like the triangular glass prism Saeed used to have as a child, with which he would refract sunlight into little rainbows.

    2017, Mohsin Hamid, Exit West, Hamish Hamilton, page 106

Synonyms & antonyms

Also see
pentatope

Origin

From penta- + -hedron.

Full word history & related roots →

Translations

Bulgarian петостен
  • петостен (petosten)solid geometric figure
Catalan pentaedre, pentàedre
  • pentaedresolid geometric figure
  • pentàedresolid geometric figure
Chinese Mandarin 五面體 /五面体
  • 五面體 /五面体 (wǔmiàntǐ)solid geometric figure
Czech pětistěn
  • pětistěnsolid geometric figure
Dutch vijfvlak, pentaëder
  • vijfvlaksolid geometric figure
  • pentaëdersolid geometric figure
Esperanto kvinedro
  • kvinedrosolid geometric figure
Finnish pentaedri
  • pentaedrisolid geometric figure
French pentaèdre
  • pentaèdresolid geometric figure
German Pentaeder, Fünfflächner
  • Pentaedersolid geometric figure
  • Fünfflächnersolid geometric figure
  • 5-Flächnersolid geometric figure
Hungarian pentaéder
  • pentaédersolid geometric figure
Icelandic fimmflötungur
  • fimmflötungursolid geometric figure
Japanese 五面体
  • 五面体 (gomentai)solid geometric figure
Korean 오면체
  • 오면체 (omyeonche)solid geometric figure
Polish pięciościan
  • pięciościansolid geometric figure
Russian пента́эдр, пятигра́нник
  • пента́эдр (pentáedr)solid geometric figure
  • пятигра́нник (pjatigránnik)solid geometric figure
Spanish pentaedro
  • pentaedrosolid geometric figure
Tagalog limdayag
  • limdayagsolid geometric figure

Rhymes & wordplay

Rhymes with pentahedron

tetrahedronpolyhedronrhombicosidodecahedronzerohedron
All rhymes →
Cite this entry
APA

pentahedron. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pentahedron

MLA

“pentahedron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pentahedron. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pentahedron,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pentahedron.

Source: pentahedron on Wiktionary, CC BY-SA 4.0.