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.
FIRESTONE
firestone
(noun) a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns
firestone
(noun) a piece of flint that is struck to light a fire
Source: WordNet® 3.1
Etymology
Noun
firestone (countable and uncountable, plural firestones)
Iron pyrites, formerly used for striking fire.
A flint.
A stone which will bear the heat of a furnace without injury; especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces.
Anagrams
• forestine, fresnoite, set on fire
Proper noun
Firestone
A surname.
Anagrams
• forestine, fresnoite, set on fire
Source: Wiktionary
Fire"stone` (; 110), n. Etym: [AS. f flint; f fire + stan stone.]
1. Iron pyrites, formerly used for striking fire; also, a flint.
2. A stone which will bear the heat of a furnace without injury; -- especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces. Ure.
Source: Webster’s Unabridged Dictionary 1913 Edition
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