• synonyms


noun Chemistry.
  1. a crystalline compound, C15H18O3, the active principle of santonica.
Show More

Origin of santonin

First recorded in 1830–40; santon(ica) + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for santonin

Historical Examples of santonin

  • Iso-santonin melts at 138°; it has the same composition as santonin.

    Poisons: Their Effects and Detection

    Alexander Wynter Blyth

  • The only one among them that is pleasant is the santonin lozenge; and it is the only one that is popular.

    Candy Medication

    Bernard Fantus

  • When combined with santonin, its action on round-worms is greatly enhanced.

    Sporting Dogs

    Frank Townend Barton

  • Mix the alcoholic solution of saccharin with the santonin (in a hot mortar if in a hurry) and permit the alcohol to evaporate.

    Candy Medication

    Bernard Fantus

  • Mix the saccharin with the tincture of vanilla, add the santonin, and permit the alcohol to evaporate.

    Candy Medication

    Bernard Fantus

British Dictionary definitions for santonin


  1. a white crystalline soluble substance extracted from the dried flower heads of santonica and used in medicine as an anthelmintic. Formula: C 15 H 18 O 3
Show More

Word Origin for santonin

C19: from santonica + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

santonin in Medicine


  1. A colorless crystalline compound obtained from species of wormwood and used as an anthelmintic.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.