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Conium vs Ionium - What's the difference?

conium | ionium |

As nouns the difference between conium and ionium

is that conium is any of one or two species in the genus Conium of poisonous perennial herbaceous flowering plants while ionium is a supposed decomposition-product of actinium once thought to be the source of radium.

conium

English

Noun

(en noun)
  • (botany) Any of one or two species in the genus Conium of poisonous perennial herbaceous flowering plants.

    • Synonyms

    * poison hemlock

    ionium

    English

    Noun

    (-)
  • (physics, dated) A supposed decomposition-product of actinium once thought to be the source of radium