Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.
lactam (plural lactams)
(organic chemistry) Any of a class of cyclic amides that are the nitrogen analogs of lactones, formed by heating amino acids; the tautomeric enol forms are known as lactims.
Greek prefixes indicate the ring size e.g. α- 3-membered, β- 4-membered.
Source: Wiktionary
Lac"tam, n. Etym: [Lactone + amido.] (Chem.)
Definition: One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol.
Source: Webster’s Unabridged Dictionary 1913 Edition
29 May 2025
(adjective) characterized by careful evaluation and judgment; āa critical readingā; āa critical dissertationā; āa critical analysis of Melvilleās writingsā
Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.