Webster's Revised Unabridged Dictionary · 1913

Tridecane

Tridecane (tri*dek"ān) , noun

[Prefix tri- + Greek {not transcribed} ten. So called from the number of carbon atoms in the molecule.]

(Chemistry) A hydrocarbon, C13H28, of the methane series, which is a probable ingredient both of crude petroleum and of kerosene, and is produced artificially as a light colorless liquid.