mercaptans
plural of mercaptan
Source: Wiktionary
Mer*cap"tan, n. Etym: [F., fr. NL. mercurius mercury + L. captans, p. pr. of captare to seize, v. intens. fr. capere.] (Chem.)
Definition: Any one of series of compounds, hydrosulphides of alcohol radicals, in composition resembling the alcohols, but containing sulphur in place of oxygen, and hence called also the sulphur alcohols. In general, they are colorless liquids having a strong, repulsive, garlic odor. The name is specifically applied to ethyl mercaptan, C2H5SH. So called from its avidity for mercury, and other metals.
Source: Webster’s Unabridged Dictionary 1913 Edition
14 May 2025
(adjective) having three units or components or elements; “a ternary operation”; “a treble row of red beads”; “overcrowding made triple sessions necessary”; “triple time has three beats per measure”; “triplex windows”
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.
