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.
peperino (countable and uncountable, plural peperinos)
(geology) A light, porous volcanic rock composed of small grains of sand etc.
• rone pipe
Source: Wiktionary
Pep"e*rine, Pep`e*ri"no, n. Etym: [It. peperino, L. piper pepper. So called on account of its color.] (Geol.)
Definition: A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition
7 April 2025
(noun) fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time; “superfetation is normal in some animal species”
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.