In the 18th century, the Swedish government made coffee and its paraphernalia (including cups and dishes) illegal for its supposed ties to rebellious sentiment.
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
27 May 2025
(noun) the property of being directional or maintaining a direction; “the directionality of written English is from left to right”
In the 18th century, the Swedish government made coffee and its paraphernalia (including cups and dishes) illegal for its supposed ties to rebellious sentiment.