Examples of ricin in a Sentence
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The Department of Homeland Security warned in a bulletin that these crimes have increased over the last five years and lists 17 cases since 2014 of people attempting to poison their family members, using toxins such as ricin and cyanide, resulting in at least 11 deaths.
—
Minyvonne Burke, NBC news, 5 Feb. 2026
European Viscum species are considered more toxic due to the presence of viscumin, a toxin similar to ricin from castor bean that is not present in their American Phoradendron counterparts.
—Matt Kasson, Popular Science, 17 Dec. 2025
Michail Chkhikvishvili, who reportedly attempted to recruit people to involve themselves in a plot to poison children at Jewish schools in New York City, pleaded guilty to soliciting hate crimes and distributing information about making bombs and ricin.
—Arkansas Online, 19 Nov. 2025
In 2018, a letter that claimed to contain ricin led to a full biohazard response by first responders at her home.
—Fox News, 11 May 2022
See All Example Sentences for ricin
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Minyvonne Burke, NBC news, 5 Feb. 2026
European Viscum species are considered more toxic due to the presence of viscumin, a toxin similar to ricin from castor bean that is not present in their American Phoradendron counterparts.
—Matt Kasson, Popular Science, 17 Dec. 2025
Michail Chkhikvishvili, who reportedly attempted to recruit people to involve themselves in a plot to poison children at Jewish schools in New York City, pleaded guilty to soliciting hate crimes and distributing information about making bombs and ricin.
—Arkansas Online, 19 Nov. 2025
In 2018, a letter that claimed to contain ricin led to a full biohazard response by first responders at her home.
—Fox News, 11 May 2022
See All Example Sentences for ricin
Cite this Entry
“Ricin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ricin. Accessed 15 Feb. 2026.
Copy CitationMedical Definition
ricin
noun
ri·cin
ˈrīs-ᵊn, ˈris- 
: a poisonous protein in the castor bean
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