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.
DUPLEXING
Verb
duplexing
present participle of duplex
Source: Wiktionary
DUPLEX
Du"plex, a. Etym: [L., fr. duo two + plicare to fold. See Two, and Complex.]
Definition: Double; twofold. Duplex escapement, a peculiar kind of watch escapement, in which the scape-wheel has two sets of teeth. See Escapement.
– Duplex lathe, one for turning off, screwing, and surfacing, by means of two cutting tools, on opposite sides of the piece operated upon.
– Duplex pumping engine, a steam pump in which two steam cylinders are placed side by side, one operating the valves of the other.
– Duplex querela Etym: [L., double complaint] (Eccl. Law), a complaint in the nature of an appeal from the ordinary to his immediate superior, as from a bishop to an archbishop. Mozley & W.
– Duplex telegraphy, a system of telegraphy for sending two messages over the same wire simultaneously.
– Duplex watch, one with a duplex escapement.
Source: Webster’s Unabridged Dictionary 1913 Edition
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27 December 2024
OBLIGATE
(adjective) restricted to a particular condition of life; “an obligate anaerobe can survive only in the absence of oxygen”
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