castor oil

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castor oil

n.
A colorless or pale yellowish oil extracted from the seeds of the castor-oil plant, used pharmaceutically as a laxative and skin softener and industrially as a lubricant.

[Possibly from a former use as a substitute for castor in medicine.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

castor oil

n
1. (Biochemistry) a colourless or yellow glutinous oil obtained from the seeds of the castor-oil plant and used as a fine lubricant and as a cathartic
2. (Medicine) a colourless or yellow glutinous oil obtained from the seeds of the castor-oil plant and used as a fine lubricant and as a cathartic
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cas′tor oil′


n.
a colorless or pale oil from the castor bean, used as a lubricant and cathartic.
[1740–50; castor (perhaps variant sp. of caster) + oil; perhaps so called because of its purgative effect]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.castor oil - a purgative extracted from the seed of the castor-oil plantcastor oil - a purgative extracted from the seed of the castor-oil plant; used in paint and varnish as well as medically
aperient, cathartic, physic, purgative - a purging medicine; stimulates evacuation of the bowels
ricinoleic acid - an oily fatty acid found in castor oil and used in soap
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
زَيْتُ الخَرْوَع
ricinový olej
ricinusolaj
laxerolía
ricina
rīcineļļa
ricínový olej
hint yağı

castor oil

nRizinus(öl) nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

castor oil

nolio di ricino
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

castor oil

(kaːstərˈoil) , ((American) ˈkastəroil)
an oil from a tropical plant, used in medicine etc.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

cas·tor oil

n. aceite de ricino, palmacristi.
English-Spanish Medical Dictionary © Farlex 2012
References in classic literature ?
'prentices and Guster, to their consternation, "if I am told by the doctor that calomel or castor-oil is good for me, I may naturally ask what is calomel, and what is castor-oil.
To these he gave castor-oil. He congratulated himself.
The Fairy Basin, you remember, is all covered with ground-ivy (from which they make their castor-oil), with flowers growing in it here and there.
He went away for a dust bath under the castor-oil bushes, while Teddy's father beat the dead Karait.
Ultrasuede BX uses polyester polymerized with ethylene glycol made from waste molasses of sugarcane and polyurethane composed of polyol made of castor oil from unedible castor-oil plants.
These studies showed castor-oil based spray repellent could keep moles away for periods of 30 to 60 days.