Examples of castor bean in a Sentence
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Made from sustainable sources—like castor beans, oils and polysaccharides—BioCir Flex biodegrades into renewable biomass when composted in industrial facilities or can be recycled for continuous use.
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Alexandra Harrell, Sourcing Journal, 4 Dec. 2025
How Castor Oil Works as a Laxative Castor oil is a thick, pale yellow liquid extracted from the seeds of the castor bean plant (Ricinus communis).
—Lindsay Curtis, Verywell Health, 11 July 2025
Ricin is a natural, highly toxic compound that is a byproduct of processing castor beans.
—Sophie Tanno, CNN Money, 17 Apr. 2025
While castor beans themselves are harmless, ricin, when extracted correctly in a complex process, is lethal and has been the stuff of Cold War assassinations and the plot of a popular episode on the Breaking Bad television series.
—Michael Loria, USA TODAY, 8 Mar. 2025
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Alexandra Harrell, Sourcing Journal, 4 Dec. 2025
How Castor Oil Works as a Laxative Castor oil is a thick, pale yellow liquid extracted from the seeds of the castor bean plant (Ricinus communis).
—Lindsay Curtis, Verywell Health, 11 July 2025
Ricin is a natural, highly toxic compound that is a byproduct of processing castor beans.
—Sophie Tanno, CNN Money, 17 Apr. 2025
While castor beans themselves are harmless, ricin, when extracted correctly in a complex process, is lethal and has been the stuff of Cold War assassinations and the plot of a popular episode on the Breaking Bad television series.
—Michael Loria, USA TODAY, 8 Mar. 2025
See All Example Sentences for castor bean
Cite this Entry
“Castor bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/castor%20bean. Accessed 14 Dec. 2025.
Copy CitationMedical Definition
castor bean
noun
cas·tor bean
ˈkas-tər- 
: the very poisonous seed of the castor-oil plant
also
: castor-oil plant
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