Advertisement

Advertisement

castor oil

noun

  1. a colorless to pale yellow, viscid liquid, usually obtained from the castor bean by a pressing process: used as a lubricant, in the manufacture of certain soaps and creams, and in medicine chiefly as a cathartic.



castor oil

noun

  1. 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 & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Discover More

Word History and Origins

Origin of castor oil1

1740–50; castor (perhaps variant spelling of caster ) + oil; perhaps so called because of its purgative effect
Discover More

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

India mainly exports rice, shrimp, honey, vegetable extracts, castor oil and black pepper, while the US sends almonds, walnuts, pistachios, apples and lentils.

Read more on BBC

Ricin is a highly toxic poison naturally derived from castor oil plants.

Read more on BBC

The modified Arabidopsis overcame metabolic bottlenecks and produced significant amounts of an oil similar to castor oil that it doesn't naturally produce.

Read more on Science Daily

Look for products that contain petroleum jelly, castor oil and glycerin, Rogers said.

Read more on Seattle Times

Newer products include a hair strengthening collection with biotin and Jamaican castor oil, and a wig care collection that uses apple cider vinegar to remove build-up from weaves and wigs.

Read more on Los Angeles Times

Advertisement

Advertisement

Advertisement

Advertisement


castoreumcastor-oil plant