[ka-stawr-ee-uh m, -stohr-]


Origin of castoreum

< Latin < Greek kastórion, equivalent to kastor- (stem of kástōr) beaver + -ion, neuter of -ios adj. suffix Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for castoreum

Historical Examples of castoreum

  • Of the infatuation of this animal for castoreum he saw several instances.

    The Western World

    W.H.G. Kingston

  • Castoreum was the most popular of these, and from it was compounded the great cure-all.

    In Beaver World

    Enos Abijah Mills

  • Next in importance to its skin, the beaver was valued for the castoreum it yielded.

    In Beaver World

    Enos Abijah Mills

  • Castoreum has done good in this as in spasmodic dysmenorrhea.


    James J. Walsh

  • You have denied that the vesicles of the otter are equivalent to castoreum.