Cro*ton"y*lene (kr-tn"-ln), n. Etym: [Crotonic + acet-ylene.] (Chem.)
Definition: A colorless, volatile, pungent liquid, C4H6, produced artificially, and regarded as an unsaturated hydrocarbon of the acetylene series, and analogous to crotonic acid.
Source: Webster’s Unabridged Dictionary 1913 Edition
21 November 2024
(noun) a crossbar on a wagon or carriage to which two whiffletrees are attached in order to harness two horses abreast
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.
