regular icosahedron
noun · n
Simple meaning
An icosahedron with twenty equilateral triangles as faces.
Pronunciation
Say it like this:
rehgyuhlereyekahsuhheedruhnSay the bold part a little louder.
IPA pronunciation (US)
ˈɹɛɡjəlɚaɪkɑsəhidɹən
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
An icosahedron with twenty equilateral triangles as faces
n
In geometry, the regular icosahedron (or simply icosahedron) is a convex polyhedron that can be constructed from pentagonal antiprism by attaching two pentagonal pyramids with regular faces to each of its pentagonal faces, or by putting points onto the cube.
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: An icosahedron with twenty equilateral triangles as faces
Used this way, regular icosahedron is a specialist word that usually carries little praise or criticism of its own. It turns up most in technical or specialist writing contexts.
- Emotional tone
- Neutral
- Formality
- Specialist/technical
- Intensity
- Not strongly marked
- How common
- Specialized
- Connotation
- Clinical and technical
- Usage feel
- Technical and specialized
Where it naturally appears
- Technical/specialist writing
Usage note
In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.