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.
cinder, clinker
(noun) a fragment of incombustible matter left after a wood or coal or charcoal fire
Source: WordNet® 3.1
Cinder
A river in Alaska.
• Nerdic, crined
cinder (plural cinders)
Partially or mostly burnt material that results from incomplete combustion of coal or wood etc.
An ember.
Slag from a metal furnace.
(dated, colloquial) Any strong stimulant added to tea, soda water, etc.
cinder (third-person singular simple present cinders, present participle cindering, simple past and past participle cindered)
(transitive) To reduce to cinders.
(transitive) To cover with cinders.
• Nerdic, crined
Source: Wiktionary
Cin"der, n. Etym: [AS. sinder slag, dross; akin to Icel. sindr dross, Sw. sinder, G. sinter, D. sintel; perh. influenced by F. cendre ashes, fr. L. cinis. Cf. Sinter.]
1. Partly burned or vitrified coal, or other combustible, in which fire is extinct.
2. A hot coal without flame; an ember. Swift.
3. A scale thrown off in forging metal.
4. The slag of a furnace, or scoriaceous lava from a volcano. Cinder frame, a framework of wire in front of the tubes of a locomotive, to arrest the escape of cinders.
– Cinder notch (Metal.), the opening in a blast furnace, through which melted cinder flows out.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 January 2025
(noun) memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)
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.