“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States
TRIHEDRON
Etymology
Noun
trihedron (plural trihedrons or trihedra)
(mathematics) A geometric figure composed of three planes meeting at a single vertex.
Source: Wiktionary
Tri*he"dron, n. Etym: [Pref. tri- + Gr. (Geom.)
Definition: A figure having three sides.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
23 December 2024
QUANDONG
(noun) Australian tree having hard white timber and glossy green leaves with white flowers followed by one-seeded glossy blue fruit
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