a. [f. Gr. εὐώδ-ης (f. εὖ well + ὠδ- ablaut-stem of ὄζειν (perf. ὄδωδα) to smell + -IC.] Aromatic, fragrant; used Chem. in the name euodic aldehyde (see quot.).
1873. Watts, Fownes Chem., 749. Euodic aldehyde is the essential constituent of oil of rue.
1876. Harley, Mat. Med., 680. Oil of Rue is composed chiefly of euodic aldehyd.