Definition of castor oil
: a pale viscous fatty oil from castor beans used especially as a cathartic and as a lubricant and plasticizer
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Recent Examples of castor oil from the Web
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Ricin is a highly toxic and naturally occurring lectin produced in the seeds of the castor oil plant.
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In this case, the brand included jojoba oil for its emollient properties, frankincense to calm and protect, castor oil to balance, and lanolin to moisturize.
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The scrub is also infused with conditioning beeswax, castor oil, and cocoa butter.
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The same odor principle applies to moles that are repelled by the smell of castor oil.
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To combat body odor, San Diego brand CeeCee & Bee Apothecary makes its Natural Deodorant Stick — Tea Tree and Lavender, which uses neem leaf (which is said to help repel mosquitoes too), coconut and castor oil.
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Two formulations were tried inside the capsules, either powder or castor oil.
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Two formulations were tried inside the capsules, either powder or castor oil.
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It can be extracted from the seeds of the castor oil plant Ricinus communis.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'castor oil.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of castor oil
probably from its former use as a substitute for castoreum in medicine
CASTOR OIL Defined for English Language Learners
castor oil
Definition of castor oil for English Language Learners
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: a thick oil made from a tropical plant and used in the past as a medicine
CASTOR OIL Defined for Kids
castor oil
Definition of castor oil for Students
: a thick yellowish liquid that comes from the seeds (
castor beans
) of a tropical herb and is used as a lubricant and as a strong laxative
Medical Dictionary
castor oil
medical Definition of castor oil
: a pale viscous fatty oil from castor beans used especially as a cathartic or lubricant
Learn More about castor oil
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See words that rhyme with castor oil Spanish Central: Translation of castor oil Britannica.com: Encyclopedia article about castor oil
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