heptane
(noun) a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings
Source: WordNet® 3.1
heptane (plural heptanes)
(organic compound) Any of the nine isomers of the saturated aliphatic hydrocarbon C7H16, obtained from petroleum, especially n-heptane (CH3(CH2)5CH3)
• phenate
Source: Wiktionary
Hep"tane, n. Etym: [Gr. "epta` seven.] (Chem.)
Definition: Any one of several isometric hydrocarbons, C7H16, of the paraffin series (nine are possible, four are known); -- so called because the molecule has seven carbon atoms. Specifically, a colorless liquid, found as a constituent of petroleum, in the tar oil of cannel coal, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition
26 December 2024
(noun) personal as opposed to real property; any tangible movable property (furniture or domestic animals or a car etc)
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.
