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Definition
2024
augmented_sphenocorona
augmented sphenocorona
English
Noun
augmented
sphenocorona
(
geometry
)
A polyhedron, one of the
Johnson solids
, whose faces are composed of 16 equilateral triangles and 1 square.
Related terms
sphenocorona
Etymology
from
sphenocorona
. Coined by Norman W. Johnson in 1969.
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