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.
CONCERTINA
concertina
(noun) free-reed instrument played like an accordion by pushing its ends together to force air through the reeds
concertina
(noun) coiled barbed wire used as an obstacle
concertina
(verb) collapse like a concertina
Source: WordNet® 3.1
Noun
concertina (plural concertinas)
(musical instruments) A musical instrument, like the various accordions, that is a member of the free-reed family of musical instruments, typically having buttons on both ends.
Something resembling a concertina, such as a folded book, a bus door or a set of picture frames that are folded together.
Coiled barbed wire for use as an obstacle.
A type of booklet label, consisting of up to 32 pages of booklet as an insert.
Verb
concertina (third-person singular simple present concertinas, present participle concertinaing, simple past and past participle concertinaed)
to become compressed into a shape reminiscent of a concertina
to be drawn closer and farther apart repeatedly, or up and down, as if situated on a working concertina's folds
Source: Wiktionary
Con`cer*ti"na, n. Etym: [From It. concerto a concert.]
Definition: A small musical imstrument on the principle of the accordion. It is a small elastic box, or bellows, having free reeds on the inside, and keys and handles on the outside of each of the two hexagonal heads.
Source: Webster’s Unabridged Dictionary 1913 Edition
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SENSE
(noun) the faculty through which the external world is apprehended; “in the dark he had to depend on touch and on his senses of smell and hearing”
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