lignoceric acid

noun

lig·​no·​cer·​ic acid ˌlig-nō-ˌser-ik-  -ˌsir- 

: a crystalline fatty acid C₂₄H₄₈O₂ that is found especially in wood tar (as from beechwood) and in the form of esters in many fats, fatty oils, and waxes and is derived from kerasin