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{%type%} Definitions

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Short "hint"

n. - A toxic protein extracted from castor beans.

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Usage examples (36)
  • One milligram of ricin can kill an adult
  • Free for a few years, he was then imprisoned for 2½ years accused of involvement in the so-called ricin plot.
  • Freed from its protective hard coating, the inside of the castor bean could be ground into a substance known as ricin.
  • The CDC lists on its Web site that it takes 500 micrograms of ricin, which is about the size of a pinhead, to kill a person.
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