fluorite, fluorspar, fluor
(noun) a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
Source: WordNet® 3.1
fluorite (countable and uncountable, plural fluorites)
A widely occurring mineral (calcium fluoride), of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.
• calcium fluoride
• Derbyshire spar
• fluor
• fluorspar
Source: Wiktionary
Flu"or*ite, n. (Min.)
Definition: Calcium fluoride, a mineral of many different colors, white, yellow, purple, green, red, etc., often very beautiful, crystallizing commonly in cubes with perfect octahedral cleavage; also massive. It is used as a flux. Some varieties are used for ornamental vessels. Also called fluor spar, or simply fluor.
Source: Webster’s Unabridged Dictionary 1913 Edition
17 June 2025
(adjective) having deserted a cause or principle; “some provinces had proved recreant”; “renegade supporters of the usurper”
Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. When coffee berries turn from green to bright red – indicating ripeness – they are picked, processed, and dried. Dried coffee seeds are roasted to varying degrees, depending on the desired flavor.
