Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.
LACTAM
Noun
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.
Usage notes
Greek prefixes indicate the ring size e.g. Ī±- 3-membered, Ī²- 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
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29 May 2025
CRITICAL
(adjective) characterized by careful evaluation and judgment; āa critical readingā; āa critical dissertationā; āa critical analysis of Melvilleās writingsā
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