Speakur

Word Pronunciation & Dictionary

undecahedron

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
un-dec-a-he-dron
IPA
19
Scrabble Score
12
Letters
5
Syllables
9
Unique Chars

Meaning

noun

A polyhedron with eleven faces.

Etymology

From undeca- + -hedron.

Inflected Forms

undecahedra (plural) undecahedrons (plural)

Frequently Paired Words

undecahedral

Synonyms

hendecahedron

Questions

What does undecahedron mean?
A polyhedron with eleven faces.
Where does undecahedron come from?
From undeca- + -hedron.

How to pronounce undecahedron

  1. Open the pronunciation page — Open the Speakur entry for “undecahedron”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “undecahedron”.
  4. Repeat and practice — Say “undecahedron” aloud, matching stress and vowels until it feels natural.