icosahedron
(noun) any polyhedron having twenty plane faces
Source: WordNet® 3.1
icosahedron (plural icosahedra or icosahedrons)
(geometry) A polyhedron with twenty faces.
(geometry, specifically) A regular icosahedron: one of the Platonic solids, all of whose faces are regular (equilateral) triangles
Source: Wiktionary
I`co*sa*he"dron, n. Etym: [Gr. (Geom.)
Definition: A solid bounded by twenty sides or faces. Regular icosahedron, one of the five regular polyhedrons, bounded by twenty equilateral triangules. Five triangules meet to form each solid angle of the polyhedron.
Source: Webster’s Unabridged Dictionary 1913 Edition
25 November 2024
(noun) infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America
The Boston Tea Party helped popularize coffee in America. The hefty tea tax imposed on the colonies in 1773 resulted in America switching from tea to coffee. In the lead up to the Revolutionary War, it became patriotic to sip java instead of tea. The Civil War made the drink more pervasive. Coffee helped energize tired troops, and drinking it became an expression of freedom.
