Chem. and Med. [f. L. api-um parsley + -OL.] A crystalline substance obtained by distilling parsley seeds with water; parsley-camphor. (Watts, Dict. Chem., VIII. 118.)
1872. in Thomas, Dis. Wom., 577.
1875. H. Wood, Therap. (1879), 538. Apiol … as a remedy in intermittent fever.
