polysulphides
plural of polysulphide
Source: Wiktionary
Pol`y*sul"phide, n. Etym: [Poly- + sulphide.] (Chem.)
Definition: A sulphide having more than one atom of sulphur in the molecule; -- contrasted with monosulphide.
Source: Webster’s Unabridged Dictionary 1913 Edition
31 October 2024
(noun) (dentistry) a filling consisting of a solid substance (as gold or porcelain) fitted to a cavity in a tooth and cemented into place
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
