ENGLISH
REFERENCE

toxin

n. countable
B2 Upper Intermediate US //ˈtɑksən// UK //tˈɒksɪn// tox·in

n. a poisonous substance produced by a living thing, like a plant or an animal. It can make people or other creatures sick.

n. a poisonous substance produced within living cells or organisms. Often distinguished from synthetic poisons by its biological origin.


SIMPLE

The snake uses a powerful toxin to paralyze its prey.

CONTEXTUAL

Scientists are studying how the toxin from certain mushrooms affects the human nervous system.

COMPLEX

While some bacteria are harmless, others release a potent toxin into the bloodstream that can lead to severe systemic inflammation if not treated immediately.

Origin

From Latin toxicum, equivalent to toxi- + -in.

Usage

Often used in the plural when referring to different types of poisonous substances.

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