Definition of apiole
plural -s
1 a
:a colorless crystalline diether C12H14O4 of the aromatic series found especially in the plant and fruit of parsley — called also
parsley camphor
b
:an isomeric liquid ether from certain dill oils — called also
dill apiole
2
:an oleoresin from parsley fruit used as an emmenagogue and antiperiodic
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