castor oil

noun

: a pale viscous fatty oil from castor beans used especially as a cathartic and as a lubricant and plasticizer

Examples of castor oil in a Sentence

Recent Examples on the Web The Lip Pencil has a creamy feel (thanks to conditioning castor oil) and highly pigmented formulation that imparts non-feathering color with each swipe. Angela Trakoshis, Allure, 8 Sep. 2024 Essential hair care ingredients infused in the formula—think castor oil, panthenol provitamin B5, and Biotinoyl Tripeptide-1—condition each strand, supporting your current brow health and promoting future growth. Katie Decker-Jacoby, StyleCaster, 18 June 2024 Ouai Hair Gloss protects against color fade and treats hair to an intense surge of moisture thanks to hyaluronic acid and castor oil. Sidra Imtiaz, refinery29.com, 13 Feb. 2024 Try out castor oil at night on your lashes to boost length and thickness with continual use. Kaitlyn Yarborough, Southern Living, 13 Aug. 2024 See all Example Sentences for castor oil 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'castor oil.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

probably from its former use as a substitute for castoreum in medicine

First Known Use

1746, in the meaning defined above

Time Traveler
The first known use of castor oil was in 1746

Dictionary Entries Near castor oil

Cite this Entry

“Castor oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/castor%20oil. Accessed 17 Sep. 2024.

Kids Definition

castor oil

noun
: a pale thick oil obtained from castor beans and used chiefly as a lubricant or a laxative

Medical Definition

castor oil

noun
: a pale viscous fatty oil from castor beans used especially as a cathartic or lubricant

More from Merriam-Webster on castor oil

Last Updated: - Updated example sentences
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