Definition of ricin in English:

ricin

Syllabification: ri·cin
Pronunciation: /ˈrīsən, ˈris-
 
/

noun

Chemistry
  • A highly toxic protein obtained from the pressed seeds of the castor-oil plant.
    More example sentences
    • There was a previous radiation study of ricin, a dimeric molecule linked by a single disulfide bridge.
    • Signs and symptoms of ricin poisoning depend on whether a person inhales or ingests ricin.
    • Studies have been performed on ricin as a possible anticancer agent.

Origin

late 19th century: from modern Latin Ricinus communis (denoting the castor-oil plant) + -in1.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody