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 April 2025
(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
