| ̷ ̷ ̷ ̷ at iso- +...- noun
Etymology: isosebacic from is- + sebacic
: a solid mixture of sebacic acid and two isomeric dicarboxylic acids C 8 H 16 (COOH) 2 obtainable by reaction of butadiene with sodium, carbon dioxide, and finally hydrogen and useful especially for making plasticizers and alkyd resins