How to Use ricin in a Sentence

ricin

noun
  • The sentence said ricin is part of the waste produced when castor oil is made.
    — Adrian Vore, San Diego Union-Tribune, 9 Oct. 2020
  • The shell of the castor bean is highly poisonous and can be used to make ricin.
    — Eric Schmitt, New York Times, 6 July 2018
  • Tiny amounts of ricin can kill an adult if eaten, injected or inhaled.
    — Frank Jordans, chicagotribune.com, 20 June 2018
  • Castor oil plant seeds contain ricin and are thus extremely poisonous.
    — Leslie Nemo, Scientific American, 29 June 2021
  • The seeds of the castor bean plant are naturally poisonous and can be used to create ricin.
    — Kirsten Grieshaber and David Rising, chicagotribune.com, 14 June 2018
  • The tip of the umbrella had been laced with ricin, a deadly poison, and Markov later died.
    — Flora Carr, Time, 6 Mar. 2018
  • News sources are now reporting that this message has tested positive for ricin.
    — Noelia Trujillo, Woman's Day, 30 May 2013
  • Each packet contains eight seeds, and ricin is a poison that can be extracted from the seeds of the castor oil plant.
    — Mike Brest, Washington Examiner, 17 Mar. 2021
  • Blood tests later found the lethal substance ricin in the victims’ blood, prosecutors say.
    — Barbie Latza Nadeau, CNN Money, 3 Apr. 2026
  • Tests were conducted confirmed the powder was not a deadly substance like anthrax and ricin.
    — USA TODAY, 11 Mar. 2020
  • The court filing does not state what authorities believe Gibbs intended to do with the ricin.
    — AJC.com, 26 Jan. 2018
  • Investigators found the ricin in a container that was double wrapped with plastic bags.
    — Chris Harris, PEOPLE.com, 2 May 2018
  • Later in the day the FBI confirms that the letter tested positive for ricin.
    — Cnn Editorial Research, CNN, 27 May 2021
  • Per Corriere della Sera, traces of ricin were found in the blood of the two women as well as in Di Ielsi's hair.
    — Kirsty Hatcher, PEOPLE, 2 Apr. 2026
  • The inherent toxicity of nerve agents is a clear attraction to would-be assassins, as are other poisons such as arsenic, cyanide and ricin.
    — Robert Chilcott, Ars Technica, 5 Sep. 2020
  • In actuality, federal agents placed fake ricin in the package, along with a GPS tracker.
    — Andy Nguyen, Glendale News-Press, 9 Sep. 2019
  • Authorities intercepted a package sent to the White House that contained the poison ricin.
    — CNN, 20 Sep. 2020
  • Schmidtke gave the meat to Animal Services to be tested, and the results came back positive for ricin, authorities said.
    — Aimee Green, OregonLive.com, 3 Jan. 2018
  • Earlier this year a Tunisian man was convicted of planning an attack using ricin, a lethal toxin, and given a 10-year jail sentence.
    — Christopher F. Schuetze New York Times, Star Tribune, 19 Aug. 2020
  • Law enforcement intercepted a package containing ricin, a highly toxic compound that has been used in terror plots, that was sent to Trump last week.
    — Aj Willingham, CNN, 21 Sep. 2020
  • Toxicology testing was carried out on the two victims, with blood samples showing traces of the potent poison ricin, according to lawyers for the doctors.
    — Barbie Latza Nadeau, CNN Money, 3 Apr. 2026
  • Symptoms of ricin poisoning vary depending on how the person came into contact with the substance – whether ingested, inhaled or injected.
    — Barbie Latza Nadeau, CNN Money, 3 Apr. 2026
  • He is accused of having started procuring material, including a large quantity of seeds needed for the creation of ricin, online in mid-May.
    — NBC News, 14 June 2018
  • As Markov walked across London’s Waterloo Bridge, an assailant stabbed him with the lethal umbrella, implanting a pellet laced with ricin.
    — Calder Walton, Washington Post, 13 Mar. 2018
  • While supportive medical care can be given to lessen the effects, there is currently no cure for ricin poisoning, according to the CDC.
    — Barbie Latza Nadeau, CNN Money, 3 Apr. 2026
  • The BioFlash itself isn’t new; the federal government and other customers have used it for a decade, testing mail for anthrax, ricin and other toxic materials.
    — Colin Campbell, baltimoresun.com, 16 Apr. 2021
  • According to the Centers for Disease Control and Prevention, if castor seeds are swallowed, ricin can be released and cause injury.
    — CBS News, 19 Sep. 2020
  • According to the Centers for Disease Control, exposure to ricin through inhalation, ingestion or injection can lead to death.
    — Kevin Johnson, USA TODAY, 23 Sep. 2020
  • The order will suspend research into organisms that cause Ebola, smallpox, anthrax and plague, and poison ricin, the New York Times reported.
    — Fox News, 7 Aug. 2019
  • 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

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

Last Updated: