Tridecatoic

Tri`dec`a`to´ic

    (trî`dĕk`å`tō´ĭk)
a.1.(Chem.) Of, pertaining to, or designating, that acid of the fatty acids heterologous with tridecane. It is a white crystalline substance.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.