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.
testaceous
(adjective) relating to or possessing a testa or hard shell; “testaceous fish”
Source: WordNet® 3.1
testaceous (comparative more testaceous, superlative most testaceous)
(obsolete) Pertaining to earthenware or baked clay.
Having a shell, especially one which is not articulated.
Of a reddish-yellow or brownish colour, like brick.
Source: Wiktionary
Tes*ta"ceous, a. Etym: [L. testaceus, fr. testa a shell. See Testa.]
1. Of or pertaining to shells; consisted of a hard shell, or having a hard shell.
2. (Bot. & Zoöl.)
Definition: Having a dull red brick color or a brownish yellow color. Testaceous animals (Zoöl.), animals having a firm, calcareous shell, as oysters and clams, thus distinguished from crustaceous animals, whose shells are more thin and soft, and consist of several joints, or articulations, as lobsters and crabs.
Source: Webster’s Unabridged Dictionary 1913 Edition
12 January 2025
(noun) (psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition; “owls have nocturnal habits”; “she had a habit twirling the ends of her hair”; “long use had hardened him to it”
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.