How to Use castor bean in a Sentence

castor bean

noun
  • The shell of the castor bean is highly poisonous and can be used to make ricin.
    Eric Schmitt, New York Times, 6 July 2018
  • Castor oil is a type of vegetable oil produced by pressing the seeds of the castor bean plant.
    Katie Camero, NBC News, 5 Aug. 2023
  • Ricin is a poison derived from castor beans and exposure to it can be deadly.
    Nancy A. Youssef, WSJ, 2 Oct. 2018
  • 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
  • Ricin can be made from the waste material left over from processing castor beans.
    Ivana Hrynkiw, AL.com, 13 Oct. 2017
  • The oil is made from castor beans, and has long been used to make soap, lubricating products, and coatings.
    Calin Van Paris, Vogue, 16 Dec. 2023
  • Suri’s are made of eco-friendly materials like cornstarch and castor beans.
    Jen Murphy, Outside Online, 21 Oct. 2024
  • Short pod mustard, castor bean, and tree tobacco are shooting up everywhere in the burn scar.
    Joy Benedict, CBS News, 4 June 2026
  • Castor oil is made by pressing the seeds of castor beans, which yields a viscous liquid thicker than olive oil and pale yellow in hue.
    Elizabeth Kiefer, Washington Post, 8 July 2019
  • Ricin, a highly lethal toxin extracted from the castor bean plant, is among the deadliest substances known.
    Nina Turner, Newsweek, 29 Oct. 2024
  • There are some new kicks on the block—and they're made out of castor bean oil, eucalyptus tree, algae, and natural rubber.
    Chelsey Sanchez, Harper's BAZAAR, 3 Dec. 2019
  • Ricin is a highly toxic chemical that is naturally found in castor beans.
    Kirsty Hatcher, PEOPLE, 2 Apr. 2026
  • The breathable mesh upper is made from a eucalyptus knit, and the cushiony midsole is derived from castor bean oil.
    Jennifer Ford, Forbes, 15 Apr. 2021
  • Castor oil, which is a type of oil that is extracted from the castor bean, contains a compound known as ricinoleic acid.
    Sherri Gordon, Health, 22 July 2024
  • Police found castor beans -- which naturally produce ricin -- at Lynch’s home.
    Aimee Green, OregonLive.com, 3 Jan. 2018
  • The type of vegetable oil—made by cold-pressing seeds of the castor bean plant—is commonly used to relieve dry eye and ease constipation.
    Korin Miller, Health, 22 June 2023
  • Ricin is a highly poisonous substance found in castor beans and only a few milligrams of it is enough to kill a human, authorities said.
    Andy Nguyen, Glendale News-Press, 9 Sep. 2019
  • Gophers and moles have an extraordinarily sensitive sense of smell so the smell of the castor bean pellets often drives them away.
    Earl Nickel, SFChronicle.com, 20 Sep. 2019
  • Like many Allbirds shoes, they’re made with merino wool and have a castor bean insole to cushion your foot and minimize odor (they're meant to be worn sans socks).
    Kristi Kellogg, Condé Nast Traveler, 12 Dec. 2023
  • Like many Allbirds shoes, they’re made with merino wool and have a castor bean insole to cushion your foot and minimize odor (they're meant to be worn sans socks).
    Kristi Kellogg, Condé Nast Traveler, 12 Dec. 2023
  • Portions of the trail were overgrown with castor bean and other invasives, but some park workers or kind volunteers are doing their best to keep it clear enough to pass.
    Jaclyn Cosgrove, Los Angeles Times, 30 Apr. 2026
  • The final version of the Tree shoe has laces made from recycled plastic bottles, an insole derived from castor beans, and eyelets based on plant starch.
    James B. Stewart, The New Yorker, 14 Mar. 2018
  • Ricin is a very potent poison derived from the castor bean Ricinus communis and can be especially lethal if inhaled.
    Brad Reisfeld, The Conversation, 21 Mar. 2023
  • Every brush bristle in his Pleasing Pollinators collection is also made of castor beans.
    Erica Smith, ELLE, 5 Apr. 2023
  • In 2018, a Tunisian man was arrested in Cologne after buying castor bean seeds, which contain ricin, on the internet.
    Christopher F. Schuetze, New York Times, 7 Jan. 2023
  • Its pitch to shoe-buyers emphasizes the sustainable, natural materials used in its shoes, including eucalyptus fiber, castor bean oil, and crab shells as well as wool.
    BostonGlobe.com, 31 Aug. 2021
  • There, authorities discovered a stockpile of dangerous chemicals, including arsenic, liquid mercury and castor beans—the last of which can used to produce the deadly poison ricin.
    Thomas G. Moukawsher, Newsweek, 7 Nov. 2024
  • Allbirds touts its research and development into and use of sustainable, natural materials in its footwear, such as eucalyptus fiber, castor bean oil, and crab shells, on top of the wool in its flagship product.
    Phil Wahba, Fortune, 3 Nov. 2021
  • The whole shoe, except for small elements like glue and the sock liner, is made out of a material called PA11, which comes from castor bean oil and pebax elastomers (also bio-based from castor beans).
    Lisa Jhung, Outside Online, 27 Dec. 2022
  • As in the new Blade V9, Wilson introduced a click-and-go grommet and bumper system to ease the labor when replacing grommets or bumpers, using a nylon made of more sustainable castor beans.
    Tim Newcomb, Forbes, 16 Dec. 2024

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

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