Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Any of three colorless, flammable isomeric hydrocarbons, C5H12, derived from petroleum and used as solvents.
Century Dictionary and Cyclopedia
- n. Amyl hydrid, C5H12, a paraffin hydrocarbon existing in three modifications. Normal pentane is obtained from light distillates of cannel-coal and Boghead tar, and in large quantities from petroleum. The other modifications are of interest to chemists only. Normal pentane is used for illumination, in the form either of vapor or of a mixture of its vapor with air.
Wiktionary
- n. organic chemistry An aliphatic hydrocarbon of chemical formula C5H12; either of the three isomers n-pentane, methyl-butane (isopentane), and di-methyl-propane (neopentane); volatile liquids under normal conditions.
GNU Webster's 1913
- n. (Chem.) Any one of the three metameric hydrocarbons, C5H12, of the methane or paraffin series. They are colorless, volatile liquids, two of which occur in petroleum. So called because of the
five carbon atoms in the molecule.
Examples
“They then adopt a more rational approach for the rest, with pentane, hexane, heptane, octane and onwards in Greek.”
“The metabolism of polyunsaturated fatty acids yields malondialdehyde for one, in addition to pentane and ethane.”
Carbohydrates are addictive | The Blog of Michael R. Eades, M.D.
“It turns out that the reactivity of an alkyl hydrocarbon like butane, pentane, hexane, et. al. goes up with increasing molecular weight, primarily because there are more carbon groups.”
“Examples of straight-chain molecules are methane, ethane, propane, and butane (gases containing from one to four carbon atoms), and pentane and hexane (liquids with five to six carbon atoms).”
“Sharples Chemicals, a relatively small producer of alcohols, amines, esters and other derivatives of amyl chloride produced by the chlorination of pentane.”
“More recent research on this subject measured breakdown products such as pentane in expelled breath and found that exercise increases the need for vitamin E.7 This extra need for vitamin E has been confirmed by measuring other cellular compounds.8910”
“From Chapter VI. it will be evident that a little more than 2 per cent. of benzene, pentane or benzoline vapour in air forms an explosive mixture.”
“None of them is a definite chemical compound as is benzene; when n = 5 only the product is pentane.”
“Natural gas refineries chill the gas that drillers take out of the ground to separate naturally occurring molecules like pentane, ethane and propane and to make a product that meets the specifications needed for gas pipelines, said James N. Harger, the company's chief marketing officer.”
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