You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
TETRAHEDRON
tetrahedron
(noun) any polyhedron having four plane faces
Source: WordNet® 3.1
Etymology
Noun
tetrahedron (plural tetrahedrons or tetrahedra)
(geometry) A polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids.
Source: Wiktionary
Tet`ra*he"dron, n. Etym: [Tetra- + Gr. (Geom.)
Definition: A solid figure inclosed or bounded by four triangles.
Note: In crystallography, the regular tetrahedron is regarded as the hemihedral form of the regular octahedron. Regular tetrahedron (Geom.), a solid bounded by four equal equilateral triangles; one of the five regular solids.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
12 May 2025
UNSEASONED
(adjective) not tried or tested by experience; “unseasoned artillery volunteers”; “still untested in battle”; “an illustrator untried in mural painting”; “a young hand at plowing”
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