Poisons: meaning, definitions and examples

General term used for any substances that can cause harm or death when introduced to a living organism.

• Some household cleaners are actually poisons if ingested.
• The plant contains natural poisons that can make you sick.

Specific type of poison that is produced by living organisms, such as bacteria, plants, or animals.

• Botulinum toxin is one of the most lethal toxins known to science.
• Certain mushrooms contain toxins that are harmful to humans.

Toxins that are specifically injected through a bite or sting, typically by animals like snakes, spiders, or bees.

• The cobra's venom can paralyze its prey almost instantly.
• Some people are allergic to bee venom and can have severe reactions.

Use it when referring to substances that can cause illness or death when ingested, inhaled, or absorbed by organisms. It is often used in the context of harmful chemicals or toxins.

• The factory was shut down because it was found to be releasing poisons into the river

Best used when referring to a slight or subtle influence or corruption that damages the quality or integrity of something. Unlike 'contaminate,' 'taint' usually implies a less severe level of impurity. It can also be used in a figurative sense.

• Her reputation was tainted by the scandal

This is appropriate when something unwelcome or harmful is introduced into a substance, making it impure or unclean. It is often used regarding food, water, or environments.

• The water supply was contaminated by industrial waste