There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
DIOPTRICAL
Adjective
dioptrical (comparative more dioptrical, superlative most dioptrical)
Alternative form of dioptric
dioptrical principles
Source: Wiktionary
Di*op"tric, Di*op"tric*al, a. Etym: [Gr. dioptrique.]
Definition: Of or pertaining to dioptrics; assisting vision by means of the refraction of light; refractive; as, the dioptric system; a dioptric glass or telescope. "Dioptrical principles." Nichol. Dioptric curve (Geom.), a Cartesian oval. See under Cartesian.
Source: Webster’s Unabridged Dictionary 1913 Edition
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6 October 2024
DATELESS
(adjective) of such great duration as to preclude the possibility of being assigned a date; “dateless customs”
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