rhombohedral, trigonal
(adjective) having threefold symmetry
Source: WordNet® 3.1
rhombohedral (not comparable)
(crystallography) Having three equal axes and oblique angles.
• rhombohedric
Source: Wiktionary
Rhom`bo*he"dral, a. (Geom. & Crystallog.)
Definition: Related to the rhombohedron; presenting the form of a rhombohedron, or a form derivable from a rhombohedron; relating to a system of forms including the rhombohedron and scalenohedron. Rhombohedral iron ore (Min.) See Hematite.
– Rhombohedral system (Crystallog.), a division of the hexagonal system embracing the rhombohedron, scalenohedron, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition
5 October 2024
(noun) mattress consisting of a pad of cotton batting that is used for sleeping on the floor or on a raised frame
The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.
