nondecane

from The Century Dictionary.

• noun A colorless compound of the methane series, CH₃(CH₂)₁₇CH₃, prepared by the action of hydriodic acid and phosphorus on the corresponding dichlorid and contained in the paraffin from bituminous shale. It melts at 32° C. and boils at 330° C. Also called nonadecane and enndecane.

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

• noun (Chem.) A hydrocarbon of the paraffin series, a white waxy substance, C19H40; -- so called from the number of carbon atoms in the molecule.

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

• noun chemistry A hydrocarbon of the paraffin series, C19H40.