Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.
ROTTENSTONE
rottenstone, tripoli
(noun) a weathered and decomposed siliceous limestone; in powdered form it is used in polishing
Source: WordNet® 3.1
Etymology
Noun
rottenstone (countable and uncountable, plural rottenstones)
(geology) A soft, friable limestone, used in polishes.
Verb
rottenstone (third-person singular simple present rottenstones, present participle rottenstoning, simple past and past participle rottenstoned)
(transitive) To polish with rottenstone.
Source: Wiktionary
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4 March 2025
HYDRAULIC
(adjective) moved or operated or effected by liquid (water or oil); “hydraulic erosion”; “hydraulic brakes”
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