tetramethylpentadecane

== English == === Etymology === From tetramethyl +‎ pentadecane. === Noun === tetramethylpentadecane (plural tetramethylpentadecanes) (organic chemistry) Any of very many isomers of a tetramethyl derivative of pentadecane, but especially pristane (2,6,10,14-tetramethylpentadecane).