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.
OCTYLENE
Oc"tyl*ene, n. Etym: [Octane + ethylene.] (Chem.)
Definition: Any one of a series of metameric hydrocarbons (C8H16) of the ethylene series. In general they are combustible, colorless liquids.
Source: Webster’s Unabridged Dictionary 1913 Edition
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13 June 2025
AIRPLANE
(noun) an aircraft that has a fixed wing and is powered by propellers or jets; “the flight was delayed due to trouble with the airplane”
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