Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of three colorless, flammable isomeric hydrocarbons, C5H12, derived from petroleum and used as solvents.

from The Century Dictionary.

  • noun Amyl hydrid, C5H12, a paraffin hydrocarbon existing in three modifications.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun 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.

Etymologies

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Examples

  • 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.

    Taking Your Lumps

  • They then adopt a more rational approach for the rest, with pentane, hexane, heptane, octane and onwards in Greek.

    On twoth

  • 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.

    Archive 2008-02-01

  • 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.

  • 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).

    Hydrocarbon chemistry

  • Sharples Chemicals, a relatively small producer of alcohols, amines, esters and other derivatives of amyl chloride produced by the chlorination of pentane.

    John B. Fenn - Autobiography

  • 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

    The New Super-Nutrition

  • 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

    The New Super-Nutrition

  • 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.

    Acetylene, the Principles of Its Generation and Use

  • None of them is a definite chemical compound as is benzene; when n = 5 only the product is pentane.

    Acetylene, the Principles of Its Generation and Use

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