pyrrols
plural of pyrrol
Source: Wiktionary
Pyr"rol, n. Etym: [Gr. oleum oil.] (Chem.)
Definition: A nitrogenous base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a colorless liquid, C4H5N, having on odor like that of chloroform. It is the nucleus and origin of a large number of derivatives. So called because it colors a splinter of wood moistened with hydrochloric acid a deep red.
Source: Webster’s Unabridged Dictionary 1913 Edition
5 June 2024
(adjective) causing or capable of causing harm; “too much sun is harmful to the skin”; “harmful effects of smoking”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
