COBALTITE

cobaltite

(noun) a rare silvery-white mineral; important ore of cobalt

Source: WordNet® 3.1


Etymology

Noun

cobaltite (countable and uncountable, plural cobaltites)

(mineral) A rare gray mineral, a mixed sulfide and arsenide of cobalt and iron with the chemical formula CoAsS; it is an ore of cobalt.

Source: Wiktionary


Co"balt*ine, Co"balt*ite n. (Min.)

Definition: A mineral of a nearly silver-white color, composed of arsenic, sulphur, and cobalt.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

2 July 2025

RESTITUTION

(noun) getting something back again; “upon the restitution of the book to its rightful owner the child was given a tongue lashing”


coffee icon

Coffee Trivia

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.

coffee icon