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.
bubblehead (plural bubbleheads)
(slang) A stupid person.
(slang) A submariner; bubble-head.
(slang) A navy hard hat or salvage diver (inspired by the shape of the old spun-copper diving helmet).
• (stupid person): airhead
Source: Wiktionary
12 February 2025
(noun) an abnormal enlargement of the colon; can be congenital (as in Hirschsprung’s disease) or acquired (as when children refuse to defecate)
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.