pentadecatoic acid

== English == === Etymology === From penta- +‎ decatoic + acid. === Noun === pentadecatoic acid (uncountable) (obsolete, organic chemistry) An acid related to pentadecane. === References === “pentadecatoic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.