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.
curio, curiosity, oddity, oddment, peculiarity, rarity
(noun) something unusual -- perhaps worthy of collecting
rarity, tenuity, low density
(noun) a rarified quality; “the tenuity of the upper atmosphere”
rarity, rareness, infrequency
(noun) noteworthy scarcity
Source: WordNet® 3.1
rarity (plural rarities)
A measure of the scarcity of an object.
(chemistry, of a gas) Thinness; the property of having low density
A rare object.
• (measure of the scarcity): rareness; see also rareness
• (having low density): subtlety
• (rare object): hen's tooth; see also rarity
Source: Wiktionary
Rar"i*ty, n.; pl. Rarities. Etym: [L. raritas: cf. F. rareté. See Rare.]
1. The quality or state of being rare; rareness; thinness; as, the rarity (contrasted with the density) of gases.
2. That which is rare; an uncommon thing; a thing valued for its scarcity. I saw three rarities of different kinds, which pleased me more than any other shows in the place. Addison.
Source: Webster’s Unabridged Dictionary 1913 Edition
11 February 2025
(noun) shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus
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.