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
25 March 2025
(noun) fixation (as by a plaster cast) of a body part in order to promote proper healing; “immobilization of the injured knee was necessary”
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.
