from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of very many isomeric saturated aliphatic hydrocarbons having fifteen carbon atoms; but especially n-pentadecane, CH3(CH2)13CH3

from the GNU version of the Collaborative International Dictionary of English

  • n. A hydrocarbon of the paraffin series, (C15H32) found in petroleum, tar oil, etc., and obtained as a colorless liquid; -- so called from the fifteen carbon atoms in the molecule.

from The Century Dictionary and Cyclopedia

  • n. A hydrocarbon, C15H32, of the paraffin series. Normal pentadecane melts at 10° C., yielding an oily liquid which boils at 270.5° C. It is made synthetically.


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