Standard Lemma guide

pentahedron

noun · 2 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.

Sound

Pronunciation

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  • /ˌpɛntaˈhiːdɹən/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -iːdɹən

1

noun

Meaning 1

A polyhedron with five faces.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any polyhedron having five plane faces

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: polyhedron

History

Etymology

From penta- + -hedron.

Across languages

Translations

23 source translations are retained for this English entry.

  • Bulgarian: петостен (petosten) — solid geometric figure
  • Catalan: pentaedre — solid geometric figure
  • Catalan: pentàedre — solid geometric figure
  • Chinese Mandarin: 五面體 /五面体 (wǔmiàntǐ) — solid geometric figure
  • Czech: pětistěn — solid geometric figure
  • Dutch: vijfvlak — solid geometric figure
  • Dutch: pentaëder — solid geometric figure
  • Esperanto: kvinedro — solid geometric figure
  • Finnish: pentaedri — solid geometric figure
  • French: pentaèdre — solid geometric figure
  • German: Pentaeder — solid geometric figure
  • German: Fünfflächner — solid geometric figure
  • German: 5-Flächner — solid geometric figure
  • Hungarian: pentaéder — solid geometric figure
  • Icelandic: fimmflötungur — solid geometric figure
  • Japanese: 五面体 (gomentai) — solid geometric figure
  • Kazakh: пентаэдр (pentaédr) — solid geometric figure
  • Korean: 오면체 (omyeonche) — solid geometric figure
  • Polish: pięciościan — solid geometric figure
  • Russian: пента́эдр (pentáedr) — solid geometric figure
  • Russian: пятигра́нник (pjatigránnik) — solid geometric figure
  • Spanish: pentaedro — solid geometric figure
  • Tagalog: limdayag — solid geometric figure