wollastonite
(noun) a white or greyish mineral typically found in metamorphic limestone; a silicate of calcium
Source: WordNet® 3.1
wollastonite (countable and uncountable, plural wollastonites)
(mineral) A grey inosilicate mineral, mostly calcium silicate, CaSiO3, found deposited in limestone.
Source: Wiktionary
Wol"las*ton*ite, n. Etym: [After Dr. W. H. Wollaston, an English chemist, who died in 1828.] (Min.)
Definition: A silicate of lime of a white to gray, red, or yellow color, occurring generally in cleavable masses, rarely in tabular crystals; tabular spar.
Source: Webster’s Unabridged Dictionary 1913 Edition
17 April 2025
(noun) a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used
The word “coffee” entered the English language in 1582 via the Dutch “koffie,” borrowed from the Ottoman Turkish “kahve,” borrowed in turn from the Arabic “qahwah.” The Arabic word qahwah was traditionally held to refer to a type of wine.
