Standard Lemma guide
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
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No pronunciation record was provided for this word.
noun
A polyhedron, one of the Johnson solids, whose faces are composed of 12 equilateral triangles and 2 squares.
Definition source: English Wiktionary via Wiktextract
Topics: geometry, mathematics, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Blend of sphenoid + corona or from spheno- + corona. Coined by Norman W. Johnson in 1969.
