- a brownish-yellow oil, expressed from the seeds of the croton, Croton tiglium, that is a drastic purgative and counterirritant.
Origin of croton oil
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for croton oil
Then he tried the croton-oil, and in ten days he was again under the old flag.
Some oils are active poisons, such as croton-oil, which is the most powerful physic known.Encyclopedia of Diet
A considerable number of prisoners smeared their faces with croton-oil to produce eruptions.
- a yellowish-brown oil obtained from the plant Croton tiglium, formerly used as a drastic purgativeSee also croton (def. 1)
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