a. Chem. [f. as next + -IC. Cf. F. lactucique.] Lactucic acid: a crystalline acid found in the juice of the Lactuca virosa.
1838. T. Thomson, Chem. Org. Bodies, 159. Lactucic acid was discovered by Pfaff.
1865–72. in Watts, Dict. Chem., III. 465.
