trihedron

T1R1I1H4E1D2R1O1N1

noun

A geometric figure composed of three planes meeting at a single vertex.

Scrabble 13
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Meanings

nountrihedron (plural trihedra or trihedrons)

plural trihedra · plural trihedrons

  1. mathematicsA geometric figure composed of three planes meeting at a single vertex.

Origin

From tri- + -hedron.

Full word history & related roots →

Translations

Esperanto triedro
  • triedrogeometric figure
Finnish kolmitahokas
  • kolmitahokasgeometric figure
French trièdre
  • trièdregeometric figure
German Dreiflächner, Dreibein
  • Dreiflächnergeometric figure
  • Dreibeingeometric figure
Italian triedro
  • triedrogeometric figure
Polish trójścian
  • trójściangeometric figure
Russian трёхгранник
  • трёхгранник (trjóxgrannik)geometric figure
Tagalog tatdayag
  • tatdayaggeometric figure
Ukrainian тріедр, тригранник
  • тріедр (triedr)geometric figure
  • тригранник (tryhrannyk)geometric figure
Cite this entry
APA

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

MLA

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

Chicago

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

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