saponins
plural of saponin
Source: Wiktionary
Sap"o*nin, n. Etym: [L. sapo, -onis soap: cf. F. saponine.] (Chem.)
Definition: A poisonous glucoside found in many plants, as in the root of soapwort (Saponaria), in the bark of soap bark (Quillaia), etc. It is extracted as a white amorphus powder, which occasions a soapy lather in solution, and produces a local anæstesia. Formerly called also struthiin, quilaiin, senegin, polygalic acid, etc. By extension, any one of a group of related bodies of which saponin proper is the type.
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”
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.
