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ricin

[ rahy-sin, ris-in ]

noun

, Chemistry.
  1. a white, poisonous, protein powder from the bean of the castor-oil plant.


ricin

/ ˈrɪs-; ˈraɪsɪn /

noun

  1. biochem a highly toxic protein, a lectin, derived from castor-oil seeds: used in experimental cancer therapy


ricin

/ sĭn,rĭsĭn /

  1. An extremely poisonous protein extracted from the castor bean. Ricin inhibits protein synthesis in cells, and is used as a biochemical reagent and in cancer research.


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Word History and Origins

Origin of ricin1

1895–1900; < New Latin Ricinus name of genus, Latin: castor-oil plant

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Word History and Origins

Origin of ricin1

C19: from New Latin Ricinus genus name, from Latin: castor-oil plant

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Example Sentences

Soligenix said in the filing that Emergent informed it of the error in January 2020 and that HHS then declined in April 2020 to provide further funding for clinical trials of the ricin vaccine.

The Post also found that the mishandling of the Johnson & Johnson vaccine followed an allegation of another serious error by Emergent on a separate vaccine project for ricin involving the same Baltimore plant.

Soligenix, a company partnering with Emergent to develop a vaccine against ricin poisoning, said in a securities filing last August that Emergent had supplied it with drugs that were out of specification.

The Soligenix-Emergent project was funded by a $21 million contract with HHS, and Soligenix has said it hopes to supply the ricin vaccine to the Strategic National Stockpile.

Walter returns to the house to retrieve the vile of ricin he hid there in the previous finale.

Jesse was relieved, and so was Walt—he had already concealed the real ricin capsule behind an electrical outlet in his bedroom.

The signature of the ricin-laced envelope: “I am KC and I approve this message.”

Could a mind-boggling vendetta be behind the ricin letters sent to Obama and Wicker?

Kevin Curtis is nowhere near smart enough to figure out how to make ricin, she tells The Daily Beast.

By George, though, that Paoli must be a clever one—think of his knowing about ricin.

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