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Poisonous vs Thalassin - What's the difference?

poisonous | thalassin |

As an adjective poisonous

is containing sufficient poison to be dangerous.

As a noun thalassin is

a poisonous material, of unknown composition, extracted from certain sea anemones.

poisonous

English

Adjective

(en adjective)
  • Containing sufficient poison to be dangerous
  • (of an animal) Inedible due to containing poison; poisonous to eat

    • Synonyms

    * toxic, venomous, attery

    Derived terms

    * poisonousness

    thalassin

    English

    Noun

    (-)
  • A poisonous material, of unknown composition, extracted from certain sea anemones