noun
or el·aeo·stearic acid |elē(ˌ)ō, ə̇|lē(ˌ)ō+…
Etymology: International Scientific Vocabulary elaio- + stearic
: a crystalline unsaturated fatty acid C 4 H 9 (CH:CH) 3 (CH 2 ) 7 COOH that exists in two stereoisomeric forms, (1) the alpha acid occurring as the glycerol ester especially in tung oil and (2) the beta acid obtained from the alpha acid by irradiation; 9, 11, 13-octa-deca-trien-oic acid