Standard Lemma guide

trihedron

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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Pronunciation

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1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From tri- + -hedron.

Across languages

Translations

12 source translations are retained for this English entry.

  • Esperanto: triedro — geometric figure
  • Finnish: kolmitahokas — geometric figure
  • French: trièdre — geometric figure
  • German: Dreiflächner — geometric figure
  • German: Dreibein — geometric figure
  • Ido: triedro — geometric figure
  • Italian: triedro — geometric figure
  • Polish: trójścian — geometric figure
  • Russian: трёхгранник (trjóxgrannik) — geometric figure
  • Tagalog: tatdayag — geometric figure
  • Ukrainian: тріедр (triedr) — geometric figure
  • Ukrainian: тригранник (tryhrannyk) — geometric figure