Oc"to*yl (, n. Etym: [Octoic + -yl.] (Chem.)
Definition: A hypothetical radical (C8H15O), regarded as the essential residue of octoic acid.
Source: Webster’s Unabridged Dictionary 1913 Edition
28 May 2025
(noun) a distinctive but intangible quality surrounding a person or thing; “an air of mystery”; “the house had a neglected air”; “an atmosphere of defeat pervaded the candidate’s headquarters”; “the place had an aura of romance”
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.
