racemic (comparative more racemic, superlative most racemic)
(chemistry) containing equal amounts of dextrorotatory (D) and levorotatory (L) stereoisomers and therefore not being optically active
• enantiopure
• scalemic
• ceramic
Source: Wiktionary
Ra*ce"mic, a. Etym: [Cf. F. racémique. See Raceme.] (Chem.)
Definition: Pertaining to, or designating, an acid found in many kinds of grapes. It is also obtained from tartaric acid, with which it is isomeric, and from sugar, gum, etc., by oxidation. It is a sour white crystalline substance, consisting of a combination of dextrorotatory and levorotatory tartaric acids. Gregory.
Source: Webster’s Unabridged Dictionary 1913 Edition
3 March 2025
(verb) hold one’s ground; maintain a position; be steadfast or upright; “I am standing my ground and won’t give in!”
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.
