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.
KNAPWEEDS
Noun
knapweeds
plural of knapweed
Source: Wiktionary
KNAPWEED
Knap"weed`, n. (Bot.)
Definition: The black centaury (Centaurea nigra); -- so called from the knoblike heads of flowers. Called also bullweed.
Source: Webster’s Unabridged Dictionary 1913 Edition
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17 March 2025
PARAMAGNET
(noun) magnet made of a substance whose magnetization is proportional to the strength of the magnetic field applied to it
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