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.
pinhead
(noun) the head of a pin
dumbbell, dummy, dope, boob, booby, pinhead
(noun) an ignorant or foolish person
Source: WordNet® 3.1
pinhead (plural pinheads)
The head of a pin. (Frequently used in size comparisons.)
(slang) An ignorant, naive, foolish, or stupid person.
(slang) A telemark skier.
(slang, medicine) A human head that is unusually tapered or small, often due to microcephaly, or a person with that trait. Often promoted in freak shows as "human pinheads".
(slang, pet stores) A newborn cricket used as food for pets.
(mycoculture) The immature juvenile fruiting body of a mushroom prior to its gills opening.
• (idiot): doofus, dumbbell, dunce
• hand pie, headpin
Source: Wiktionary
8 May 2025
(noun) the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
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.