covelline (countable and uncountable, plural covellines)
(mineral) covellite
Source: Wiktionary
Co*vel"line (k-vl"ln), Co*vel"lite (-lt), n. Etym: [After Covelli, the discoverer.] (Min.)
Definition: A native sulphide of copper, occuring in masses of a dark blue color; -- hence called indigo copper.
Source: Webster’s Unabridged Dictionary 1913 Edition
1 June 2024
(noun) a night flight from which the passengers emerge with eyes red from lack of sleep; “he took the redeye in order to get home the next morning”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
