hendecahedron: meaning, definition, pronunciation and examples
Extremely RareHighly Technical/Scientific
Quick answer
What does “hendecahedron” mean?
A solid geometric figure with eleven plane faces.
Audio
Pronunciation
Definition
Meaning and Definition
A solid geometric figure with eleven plane faces.
In geometry, a polyhedron with exactly eleven faces. Like other polyhedra, it can be regular (with congruent regular faces) or irregular.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is consistent.
Connotations
None beyond its precise mathematical definition.
Frequency
Equally rare in both dialects.
Grammar
How to Use “hendecahedron” in a Sentence
The [adj] hendecahedron...A hendecahedron has [number] faces.To construct a hendecahedron...Vocabulary
Collocations
Examples
Examples of “hendecahedron” in a Sentence
adjective
British English
- The hendecahedral shape was complex.
- They studied hendecahedral symmetry.
American English
- The hendecahedral form was analyzed.
- We examined hendecahedral structures.
Usage
Meaning in Context
Business
Never used.
Academic
Used exclusively in advanced geometry, topology, or crystallography research papers.
Everyday
Virtually never used in everyday conversation.
Technical
The primary context. Used by mathematicians, geometricians, and in specialized 3D modeling.
Vocabulary
Synonyms of “hendecahedron”
Neutral
Weak
Vocabulary
Antonyms of “hendecahedron”
Watch out
Common Mistakes When Using “hendecahedron”
- Mispronunciation: confusing 'hendeca-' with 'hexa-' (six) or 'deca-' (ten).
- Misspelling: 'hendecahedron' (correct) vs. 'hendrahedron' or 'hendecahedran'.
- Confusing it with more common polyhedra like dodecahedron (12 faces).
FAQ
Frequently Asked Questions
No, it is extremely rare compared to polyhedra like cubes or dodecahedrons. You will almost never encounter it outside specialized mathematics.
There is no regular convex hendecahedron (with congruent regular faces and vertices). Regular hendecahedra exist only as non-convex star polyhedra or other complex forms.
A hendecahedron has eleven faces, while a dodecahedron has twelve. 'Dodeca-' is a much more common prefix in geometry.
For general English, no. It is a highly specialized term only required for advanced studies in geometry, certain branches of chemistry (crystallography), or very niche 3D design.
A solid geometric figure with eleven plane faces.
Hendecahedron is usually highly technical/scientific in register.
Hendecahedron: in British English it is pronounced /ˌhɛndɛkəˈhiːdrən/, and in American English it is pronounced /ˌhɛndɛkəˈhidrən/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'HEN' (like the bird) + 'DECA' (ten, as in decade) + 'HEDRON' (face/solid). A 'hen' with 'ten' faces? No, that's only 11 total. Remember: 'hen-deca-hedron' = eleven faces.
Conceptual Metaphor
None common.
Practice
Quiz
What does the prefix 'hendeca-' mean?