Poisonous substance

/pˈɔɪzənəs sˈʌbstəns/

Poisonous substance

any substance that causes injury or illness or death of a living organism

synonyms : poison

Examples

1. But he argued that at low doses, poisonous substances could have important medicinal benefits.

2. The lodger returned to Joseph Neal's workshop and handed the poisonous substance off to one of the sweet makers employed there.

3. Because shark meat is full of poisonous substances such as tri-meth-yl-amine oxide, this process is in place to remove the toxins!

4. Which is not-- you don't want to put a poisonous substance on a barbecue grill and then heat it up.