† tri-hexoctahedronn.
Geometry. Obsolete.
A solid figure having 18 (= 3 times 6) square and 8 triangular faces.
ΚΠ
1765 J. Kirby Dr. B. Taylor's Method Perspective (new ed.) 45.
This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2020).
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n.1765