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



RESET




Word of the Day

22 May 2025

BOLLARD

(noun) a strong post (as on a wharf or quay or ship for attaching mooring lines); “the road was closed to vehicular traffic with bollards”


coffee icon

Coffee Trivia

The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.

coffee icon