The Collaborative International Dictionary of English v.0.48:

Anisol \An"i*sol\ anisole \anisole\, n. [Anisic + -ol.] (Chem.)
   Methyl phenyl ether, C6H5.O.CH3, got by distilling anisic
   acid or by the action of methide on potassium phenolate.
   [Webster 1913 Suppl.]