decene

Century Dictionary and Cyclopedia

1. n. A hydrocarbon, C₁₀H₂₀, belonging to the ethylene series. It is an oily liquid which boils at 172° C.

Wiktionary

1. n. organic chemistry Any of many isomeric monoalkenes derived from a decane

GNU Webster's 1913

1. n. (Chem.) One of the higher hydrocarbons, C10H20, of the ethylene series.