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.
ALDEHYDES
Noun
aldehydes
plural of aldehyde
Source: Wiktionary
ALDEHYDE
Al"de*hyde, n. Etym: [Abbrev. fr. alcohol dehydrogenatum, alcohol deprived of its hydrogen.] (Chem.)
Definition: A colorless, mobile, and very volatile liquid obtained from alcohol by certain of oxidation.
Note: The aldehydes are intermediate between the alcohols and acids, and differ from the alcohols in having two less hydrogen atoms in the molecule, as common aldehyde (called also acetic aldehyde or ethyl aldehyde), C2H4O; methyl aldehyde, CH2O. Aldehyde ammonia (Chem.), a compound formed by the union of aldehyde with ammonia.
Source: Webster’s Unabridged Dictionary 1913 Edition
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FANJET
(noun) a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
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