Meaning & use
toxin
A poisonous substance, especially one produced by a living organism such as a bacterium, plant, or animal.
See it in a sentence
The snake's venom contains a toxin that can paralyze its prey within seconds.
Certain mushrooms produce a toxin that damages the liver if eaten.
A note on using this word
Technically refers to biologically produced poisons, though it is often used loosely for any harmful chemical.
Words with a similar meaning
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Words with an opposite meaning
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