cetyl (plural cetyls)
(organic chemistry) The univalent hexadecyl radical C16H33- present in many waxes.
Source: Wiktionary
Ce"tyl, n. Etym: [Gr. -yl.] (Chem.)
Definition: A radical, C16H33, not yet isolated, but supposed to exist in a series of compounds homologous with the ethyl compounds, and derived from spermaceti.
Source: Webster’s Unabridged Dictionary 1913 Edition
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
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.
