SCALENOHEDRON

Etymology

Noun

scalenohedron (plural scalenohedrons or scalenohedra)

(geometry, mineralogy, crystallography) A polyhedron having twelve sides, each in the form of a scalene triangle, that is topologically equivalent to a hexagonal bipyramid and whose middle section can be said to inscribe a rhombohedron.

Source: Wiktionary


Sca*le`no*he"dron, n. Etym: [Gr. (Crystallog.)

Definition: A pyramidal form under the rhombohedral system, inclosed by twelve faces, each a scalene triangle.

Source: Webster’s Unabridged Dictionary 1913 Edition



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16 January 2025

BOOK

(noun) a collection of rules or prescribed standards on the basis of which decisions are made; “they run things by the book around here”


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