hemihedrons
plural of hemihedron
Source: Wiktionary
Hem`i*he"dron, n. (Crystallog.)
Definition: A solid hemihedrally derived. The tetrahedron is a hemihedron.
Source: Webster’s Unabridged Dictionary 1913 Edition
18 June 2025
(noun) large South American evergreen tree trifoliate leaves and drupes with nutlike seeds used as food and a source of cooking oil
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
